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Home / Local Weather & Traffic / Washington / Prosser / Weather Forecast For 10 Days

Prosser, WA Weather Forecast | 10 Days

Updated: Fri Sep 18th 2026 7:00 PM PDT
Fri, 9-18
9-18
78°F
60°F
Sat, 9-19
9-19
80°F
59°F
Sun, 9-20
9-20
83°F
61°F
Mon, 9-21
9-21
84°F
62°F
Tue, 9-22
9-22
79°F
57°F
Wed, 9-23
9-23
77°F
57°F
Thu, 9-24
9-24
72°F
55°F
Fri, 9-25
9-25
69°F
55°F
Sat, 9-26
9-26
67°F
47°F
Sun, 9-27
9-27
73°F
50°F

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9-18

Sunny

Fri 9-18

Sunny with a high of 78°F and a low of 60°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 5mph and gusts of 15.9mph at 8 PM. Humidity levels should be comfortable, sitting around 39% on average, the maximum being 44% at 11 PM and 34% being its lowest at 8 PM. Barometric pressure is its highest of 30.02inHg at 9 PM, a lowest point of 30.01inHg at 8 PM with an avg 30.02inHg.

    • HI: 78°F
    • LO: 60°F
    • Rain: 2%
    • Snow: 0%
    • Wind
      4.7 mph
    • Humidity
      39% avg.
    • UV Index
      5
    • Air Quality
      Good
    • Sunrise
      06:41 AM
    • Sunset
      07:05 PM
    • Moonrise
      03:29 PM
    • Moonset
      11:17 PM
    • Moon Phase
      First Quarter
  • Hourly
8 PM Clear at 8 PM on Sep 18
Clear
71°F
1%
rain
0%
snow
4.7 mph SE
wind
30.01 inHg
pressure
9 PM Clear at 9 PM on Sep 18
Clear
69°F
1%
rain
0%
snow
4 mph SE
wind
30.02 inHg
pressure
10 PM Clear at 10 PM on Sep 18
Clear
67°F
1%
rain
0%
snow
3.1 mph SE
wind
30.02 inHg
pressure
11 PM Clear at 11 PM on Sep 18
Clear
66°F
1%
rain
0%
snow
1.3 mph SSE
wind
30.01 inHg
pressure
9-19

Sunny

Sat 9-19

Sunny with a high of 80°F and a low of 59°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 6mph and gusts of 16.6mph at 4 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 53% at 7 AM and 22% being its lowest at 4 PM. Barometric pressure is its highest of 30.05inHg at 6 AM, a lowest point of 29.93inHg at 6 PM with an avg 30inHg.

    • HI: 80°F
    • LO: 59°F
    • Rain: 2%
    • Snow: 0%
    • Wind
      5.8 mph
    • Humidity
      37% avg.
    • UV Index
      5
    • Air Quality
      Good
    • Sunrise
      06:42 AM
    • Sunset
      07:03 PM
    • Moonrise
      04:11 PM
    • Moonset
      Does not set today
    • Moon Phase
      First Quarter
  • Hourly
12 AM Clear at 12 AM on Sep 19
Clear
66°F
1%
rain
0%
snow
1.8 mph SSE
wind
30.02 inHg
pressure
1 AM Clear at 1 AM on Sep 19
Clear
65°F
2%
rain
0%
snow
1.8 mph SW
wind
30.02 inHg
pressure
2 AM Clear at 2 AM on Sep 19
Clear
64°F
2%
rain
0%
snow
4.3 mph W
wind
30.03 inHg
pressure
3 AM Clear at 3 AM on Sep 19
Clear
62°F
2%
rain
0%
snow
2.7 mph W
wind
30.03 inHg
pressure
4 AM Clear at 4 AM on Sep 19
Clear
61°F
2%
rain
0%
snow
3.1 mph WNW
wind
30.03 inHg
pressure
5 AM Clear at 5 AM on Sep 19
Clear
61°F
2%
rain
0%
snow
2.5 mph WNW
wind
30.04 inHg
pressure
6 AM Clear at 6 AM on Sep 19
Clear
60°F
3%
rain
0%
snow
2.5 mph W
wind
30.05 inHg
pressure
7 AM Sunny at 7 AM on Sep 19
Sunny
59°F
3%
rain
0%
snow
2.2 mph W
wind
30.05 inHg
pressure
8 AM Partly Cloudy at 8 AM on Sep 19
Partly Cloudy
63°F
4%
rain
0%
snow
1.1 mph WSW
wind
30.05 inHg
pressure
9 AM Sunny at 9 AM on Sep 19
Sunny
64°F
1%
rain
0%
snow
2.2 mph SW
wind
30.05 inHg
pressure
10 AM Sunny at 10 AM on Sep 19
Sunny
68°F
1%
rain
0%
snow
2.2 mph SSW
wind
30.05 inHg
pressure
11 AM Sunny at 11 AM on Sep 19
Sunny
71°F
1%
rain
0%
snow
2.7 mph SSW
wind
30.04 inHg
pressure
12 PM Partly Cloudy at 12 PM on Sep 19
Partly Cloudy
74°F
2%
rain
0%
snow
3.1 mph S
wind
30.02 inHg
pressure
1 PM Sunny at 1 PM on Sep 19
Sunny
76°F
1%
rain
0%
snow
4.3 mph S
wind
30 inHg
pressure
2 PM Partly Cloudy at 2 PM on Sep 19
Partly Cloudy
78°F
2%
rain
0%
snow
4.9 mph S
wind
29.98 inHg
pressure
3 PM Overcast at 3 PM on Sep 19
Overcast
80°F
9%
rain
0%
snow
5.4 mph S
wind
29.96 inHg
pressure
4 PM Overcast at 4 PM on Sep 19
Overcast
80°F
9%
rain
0%
snow
5.4 mph S
wind
29.95 inHg
pressure
5 PM Overcast at 5 PM on Sep 19
Overcast
80°F
9%
rain
0%
snow
5.6 mph S
wind
29.94 inHg
pressure
6 PM Overcast at 6 PM on Sep 19
Overcast
78°F
9%
rain
0%
snow
5.8 mph SSE
wind
29.93 inHg
pressure
7 PM Partly Cloudy at 7 PM on Sep 19
Partly Cloudy
75°F
4%
rain
0%
snow
5.4 mph SSE
wind
29.94 inHg
pressure
8 PM Clear at 8 PM on Sep 19
Clear
72°F
1%
rain
0%
snow
4.3 mph SSE
wind
29.95 inHg
pressure
9 PM Clear at 9 PM on Sep 19
Clear
70°F
1%
rain
0%
snow
3.1 mph SE
wind
29.96 inHg
pressure
10 PM Clear at 10 PM on Sep 19
Clear
69°F
1%
rain
0%
snow
2.7 mph SE
wind
29.96 inHg
pressure
11 PM Clear at 11 PM on Sep 19
Clear
68°F
1%
rain
0%
snow
2.5 mph SE
wind
29.96 inHg
pressure
9-20

Sunny

Sun 9-20

Sunny with a high of 83°F and a low of 61°F. Winds will be light at 4mph and gusts of 15mph at 5 PM. Humidity levels should be comfortable, sitting around 31% on average, the maximum being 47% at 7 AM and 16% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 7 AM, a lowest point of 29.88inHg at 6 PM with an avg 29.95inHg.

    • HI: 83°F
    • LO: 61°F
    • Rain: 0%
    • Snow: 0%
    • Wind
      4 mph
    • Humidity
      31% avg.
    • UV Index
      4.9
    • Air Quality
      Good
    • Sunrise
      06:43 AM
    • Sunset
      07:01 PM
    • Moonrise
      04:44 PM
    • Moonset
      12:20 AM
    • Moon Phase
      Waxing Gibbous
  • Hourly
12 AM Clear at 12 AM on Sep 20
Clear
67°F
1%
rain
0%
snow
1.6 mph S
wind
29.96 inHg
pressure
1 AM Clear at 1 AM on Sep 20
Clear
66°F
1%
rain
0%
snow
2.2 mph WSW
wind
29.96 inHg
pressure
2 AM Clear at 2 AM on Sep 20
Clear
65°F
1%
rain
0%
snow
3.1 mph W
wind
29.96 inHg
pressure
3 AM Clear at 3 AM on Sep 20
Clear
64°F
1%
rain
0%
snow
3.6 mph WNW
wind
29.97 inHg
pressure
4 AM Clear at 4 AM on Sep 20
Clear
63°F
1%
rain
0%
snow
3.8 mph WNW
wind
29.98 inHg
pressure
5 AM Clear at 5 AM on Sep 20
Clear
62°F
1%
rain
0%
snow
3.4 mph WNW
wind
29.98 inHg
pressure
6 AM Clear at 6 AM on Sep 20
Clear
61°F
1%
rain
0%
snow
3.1 mph WNW
wind
29.99 inHg
pressure
7 AM Sunny at 7 AM on Sep 20
Sunny
61°F
2%
rain
0%
snow
3.1 mph WNW
wind
30 inHg
pressure
8 AM Sunny at 8 AM on Sep 20
Sunny
66°F
1%
rain
0%
snow
2.7 mph WNW
wind
30 inHg
pressure
9 AM Sunny at 9 AM on Sep 20
Sunny
67°F
1%
rain
0%
snow
2.7 mph WNW
wind
30 inHg
pressure
10 AM Sunny at 10 AM on Sep 20
Sunny
70°F
1%
rain
0%
snow
1.8 mph W
wind
30 inHg
pressure
11 AM Sunny at 11 AM on Sep 20
Sunny
74°F
0%
rain
0%
snow
1.1 mph SSW
wind
29.99 inHg
pressure
12 PM Sunny at 12 PM on Sep 20
Sunny
77°F
0%
rain
0%
snow
2.5 mph S
wind
29.98 inHg
pressure
1 PM Sunny at 1 PM on Sep 20
Sunny
79°F
0%
rain
0%
snow
3.4 mph S
wind
29.96 inHg
pressure
2 PM Sunny at 2 PM on Sep 20
Sunny
81°F
0%
rain
0%
snow
3.8 mph S
wind
29.94 inHg
pressure
3 PM Sunny at 3 PM on Sep 20
Sunny
82°F
0%
rain
0%
snow
3.6 mph S
wind
29.92 inHg
pressure
4 PM Sunny at 4 PM on Sep 20
Sunny
83°F
0%
rain
0%
snow
3.4 mph S
wind
29.9 inHg
pressure
5 PM Sunny at 5 PM on Sep 20
Sunny
83°F
0%
rain
0%
snow
3.8 mph S
wind
29.89 inHg
pressure
6 PM Sunny at 6 PM on Sep 20
Sunny
81°F
0%
rain
0%
snow
4 mph S
wind
29.88 inHg
pressure
7 PM Clear at 7 PM on Sep 20
Clear
75°F
0%
rain
0%
snow
3.4 mph SSE
wind
29.88 inHg
pressure
8 PM Clear at 8 PM on Sep 20
Clear
72°F
0%
rain
0%
snow
2.5 mph SE
wind
29.89 inHg
pressure
9 PM Clear at 9 PM on Sep 20
Clear
71°F
0%
rain
0%
snow
2.2 mph ESE
wind
29.9 inHg
pressure
10 PM Clear at 10 PM on Sep 20
Clear
71°F
1%
rain
0%
snow
2 mph ESE
wind
29.9 inHg
pressure
11 PM Clear at 11 PM on Sep 20
Clear
70°F
1%
rain
0%
snow
1.1 mph SE
wind
29.9 inHg
pressure
9-21

Sunny

Mon 9-21

Sunny with a high of 84°F and a low of 62°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 6mph and gusts of 15.2mph at 10 AM. The air will be relatively dry with average humidity levels below 30%, the maximum being 40% at 7 AM and 20% being its lowest at 3 PM. Barometric pressure is its highest of 29.92inHg at 7 AM, a lowest point of 29.81inHg at 6 PM with an avg 29.87inHg.

    • HI: 84°F
    • LO: 62°F
    • Rain: 3%
    • Snow: 0%
    • Wind
      6 mph
    • Humidity
      29% avg.
    • UV Index
      4.7
    • Air Quality
      Good
    • Sunrise
      06:44 AM
    • Sunset
      06:59 PM
    • Moonrise
      05:10 PM
    • Moonset
      01:26 AM
    • Moon Phase
      Waxing Gibbous
  • Hourly
12 AM Clear at 12 AM on Sep 21
Clear
69°F
1%
rain
0%
snow
1.1 mph WSW
wind
29.9 inHg
pressure
1 AM Clear at 1 AM on Sep 21
Clear
68°F
1%
rain
0%
snow
2.2 mph WNW
wind
29.89 inHg
pressure
2 AM Clear at 2 AM on Sep 21
Clear
66°F
1%
rain
0%
snow
3.1 mph WNW
wind
29.89 inHg
pressure
3 AM Clear at 3 AM on Sep 21
Clear
66°F
1%
rain
0%
snow
4.9 mph WNW
wind
29.89 inHg
pressure
4 AM Clear at 4 AM on Sep 21
Clear
64°F
1%
rain
0%
snow
5.1 mph WNW
wind
29.9 inHg
pressure
5 AM Clear at 5 AM on Sep 21
Clear
63°F
1%
rain
0%
snow
4 mph WNW
wind
29.9 inHg
pressure
6 AM Clear at 6 AM on Sep 21
Clear
62°F
1%
rain
0%
snow
3.6 mph WNW
wind
29.91 inHg
pressure
7 AM Sunny at 7 AM on Sep 21
Sunny
62°F
1%
rain
0%
snow
4.3 mph WNW
wind
29.92 inHg
pressure
8 AM Sunny at 8 AM on Sep 21
Sunny
66°F
1%
rain
0%
snow
3.6 mph WNW
wind
29.92 inHg
pressure
9 AM Sunny at 9 AM on Sep 21
Sunny
68°F
1%
rain
0%
snow
3.6 mph W
wind
29.92 inHg
pressure
10 AM Partly Cloudy at 10 AM on Sep 21
Partly Cloudy
71°F
3%
rain
0%
snow
4 mph W
wind
29.92 inHg
pressure
11 AM Cloudy at 11 AM on Sep 21
Cloudy
75°F
6%
rain
0%
snow
3.6 mph WSW
wind
29.91 inHg
pressure
12 PM Partly Cloudy at 12 PM on Sep 21
Partly Cloudy
78°F
3%
rain
0%
snow
4.7 mph SW
wind
29.9 inHg
pressure
1 PM Partly Cloudy at 1 PM on Sep 21
Partly Cloudy
80°F
2%
rain
0%
snow
4.9 mph SW
wind
29.88 inHg
pressure
2 PM Cloudy at 2 PM on Sep 21
Cloudy
82°F
5%
rain
0%
snow
3.8 mph SW
wind
29.86 inHg
pressure
3 PM Overcast at 3 PM on Sep 21
Overcast
83°F
9%
rain
0%
snow
2.5 mph SSW
wind
29.83 inHg
pressure
4 PM Overcast at 4 PM on Sep 21
Overcast
84°F
9%
rain
0%
snow
1.8 mph S
wind
29.82 inHg
pressure
5 PM Overcast at 5 PM on Sep 21
Overcast
84°F
9%
rain
0%
snow
2.2 mph SSE
wind
29.81 inHg
pressure
6 PM Overcast at 6 PM on Sep 21
Overcast
83°F
9%
rain
0%
snow
2.9 mph SE
wind
29.81 inHg
pressure
7 PM Overcast at 7 PM on Sep 21
Overcast
78°F
9%
rain
0%
snow
3.8 mph ESE
wind
29.81 inHg
pressure
8 PM Overcast at 8 PM on Sep 21
Overcast
75°F
9%
rain
0%
snow
4.7 mph ENE
wind
29.82 inHg
pressure
9 PM Overcast at 9 PM on Sep 21
Overcast
74°F
8%
rain
0%
snow
6 mph ENE
wind
29.83 inHg
pressure
10 PM Overcast at 10 PM on Sep 21
Overcast
70°F
9%
rain
0%
snow
2.9 mph E
wind
29.85 inHg
pressure
11 PM Overcast at 11 PM on Sep 21
Overcast
68°F
10%
rain
0%
snow
1.8 mph WSW
wind
29.86 inHg
pressure
9-22

Sunny

Tue 9-22

Sunny with a high of 79°F and a low of 57°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 6mph and gusts of 15mph at 12 PM. Humidity levels should be comfortable, sitting around 33% on average, the maximum being 55% at 7 AM and 16% being its lowest at 5 PM. Barometric pressure is its highest of 29.93inHg at 9 AM, a lowest point of 29.8inHg at 6 PM with an avg 29.87inHg.

    • HI: 79°F
    • LO: 57°F
    • Rain: 2%
    • Snow: 0%
    • Wind
      6 mph
    • Humidity
      33% avg.
    • UV Index
      7
    • Air Quality
      Good
    • Sunrise
      06:46 AM
    • Sunset
      06:57 PM
    • Moonrise
      05:30 PM
    • Moonset
      02:33 AM
    • Moon Phase
      Waxing Gibbous
  • Hourly
12 AM Cloudy at 12 AM on Sep 22
Cloudy
66°F
6%
rain
0%
snow
4.3 mph W
wind
29.87 inHg
pressure
1 AM Clear at 1 AM on Sep 22
Clear
64°F
1%
rain
0%
snow
5.1 mph W
wind
29.88 inHg
pressure
2 AM Clear at 2 AM on Sep 22
Clear
62°F
1%
rain
0%
snow
5.4 mph W
wind
29.89 inHg
pressure
3 AM Clear at 3 AM on Sep 22
Clear
60°F
2%
rain
0%
snow
4 mph W
wind
29.88 inHg
pressure
4 AM Clear at 4 AM on Sep 22
Clear
60°F
2%
rain
0%
snow
5.1 mph W
wind
29.88 inHg
pressure
5 AM Clear at 5 AM on Sep 22
Clear
58°F
3%
rain
0%
snow
4.3 mph W
wind
29.89 inHg
pressure
6 AM Clear at 6 AM on Sep 22
Clear
58°F
4%
rain
0%
snow
4 mph WNW
wind
29.9 inHg
pressure
7 AM Overcast at 7 AM on Sep 22
Overcast
57°F
13%
rain
0%
snow
4.3 mph WNW
wind
29.91 inHg
pressure
8 AM Partly Cloudy at 8 AM on Sep 22
Partly Cloudy
60°F
4%
rain
0%
snow
3.8 mph WNW
wind
29.92 inHg
pressure
9 AM Sunny at 9 AM on Sep 22
Sunny
62°F
1%
rain
0%
snow
5.1 mph WNW
wind
29.93 inHg
pressure
10 AM Partly Cloudy at 10 AM on Sep 22
Partly Cloudy
65°F
2%
rain
0%
snow
3.6 mph WSW
wind
29.91 inHg
pressure
11 AM Partly Cloudy at 11 AM on Sep 22
Partly Cloudy
69°F
2%
rain
0%
snow
4.9 mph WSW
wind
29.91 inHg
pressure
12 PM Overcast at 12 PM on Sep 22
Overcast
72°F
8%
rain
0%
snow
3.8 mph WSW
wind
29.9 inHg
pressure
1 PM Overcast at 1 PM on Sep 22
Overcast
74°F
9%
rain
0%
snow
4 mph WSW
wind
29.88 inHg
pressure
2 PM Sunny at 2 PM on Sep 22
Sunny
76°F
1%
rain
0%
snow
3.1 mph W
wind
29.85 inHg
pressure
3 PM Sunny at 3 PM on Sep 22
Sunny
78°F
1%
rain
0%
snow
2.5 mph W
wind
29.83 inHg
pressure
4 PM Sunny at 4 PM on Sep 22
Sunny
79°F
0%
rain
0%
snow
0.9 mph NW
wind
29.81 inHg
pressure
5 PM Sunny at 5 PM on Sep 22
Sunny
79°F
1%
rain
0%
snow
1.1 mph ESE
wind
29.8 inHg
pressure
6 PM Sunny at 6 PM on Sep 22
Sunny
78°F
1%
rain
0%
snow
3.1 mph ESE
wind
29.8 inHg
pressure
7 PM Clear at 7 PM on Sep 22
Clear
73°F
1%
rain
0%
snow
5.6 mph ESE
wind
29.82 inHg
pressure
8 PM Partly Cloudy at 8 PM on Sep 22
Partly Cloudy
71°F
3%
rain
0%
snow
6 mph ESE
wind
29.83 inHg
pressure
9 PM Cloudy at 9 PM on Sep 22
Cloudy
69°F
7%
rain
0%
snow
5.4 mph E
wind
29.84 inHg
pressure
10 PM Clear at 10 PM on Sep 22
Clear
67°F
1%
rain
0%
snow
3.8 mph E
wind
29.84 inHg
pressure
11 PM Overcast at 11 PM on Sep 22
Overcast
65°F
9%
rain
0%
snow
1.6 mph ESE
wind
29.85 inHg
pressure
9-23

Overcast

Wed 9-23

Overcast with a high of 77°F and a low of 57°F. There's a very small chance of rainfall, only about 4%. Winds will be light at 5mph and gusts of 11.6mph at 11 AM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 52% at 7 AM and 17% being its lowest at 5 PM. Barometric pressure is its highest of 29.91inHg at 10 AM, a lowest point of 29.82inHg at 5 PM with an avg 29.87inHg.

    • HI: 77°F
    • LO: 57°F
    • Rain: 4%
    • Snow: 0%
    • Wind
      4.9 mph
    • Humidity
      32% avg.
    • UV Index
      7
    • Air Quality
      Good
    • Sunrise
      06:47 AM
    • Sunset
      06:55 PM
    • Moonrise
      05:48 PM
    • Moonset
      03:40 AM
    • Moon Phase
      Waxing Gibbous
  • Hourly
12 AM Overcast at 12 AM on Sep 23
Overcast
64°F
9%
rain
0%
snow
2 mph SW
wind
29.86 inHg
pressure
1 AM Clear at 1 AM on Sep 23
Clear
62°F
1%
rain
0%
snow
4 mph W
wind
29.87 inHg
pressure
2 AM Clear at 2 AM on Sep 23
Clear
60°F
1%
rain
0%
snow
4.5 mph WNW
wind
29.88 inHg
pressure
3 AM Clear at 3 AM on Sep 23
Clear
59°F
2%
rain
0%
snow
4.3 mph WNW
wind
29.88 inHg
pressure
4 AM Cloudy at 4 AM on Sep 23
Cloudy
58°F
8%
rain
0%
snow
4 mph WNW
wind
29.88 inHg
pressure
5 AM Partly Cloudy at 5 AM on Sep 23
Partly Cloudy
58°F
4%
rain
0%
snow
2.9 mph WNW
wind
29.89 inHg
pressure
6 AM Cloudy at 6 AM on Sep 23
Cloudy
57°F
10%
rain
0%
snow
2.9 mph WNW
wind
29.9 inHg
pressure
7 AM Overcast at 7 AM on Sep 23
Overcast
57°F
12%
rain
0%
snow
2 mph W
wind
29.9 inHg
pressure
8 AM Cloudy at 8 AM on Sep 23
Cloudy
61°F
6%
rain
0%
snow
2 mph W
wind
29.91 inHg
pressure
9 AM Cloudy at 9 AM on Sep 23
Cloudy
62°F
6%
rain
0%
snow
3.6 mph W
wind
29.91 inHg
pressure
10 AM Overcast at 10 AM on Sep 23
Overcast
66°F
8%
rain
0%
snow
4.3 mph W
wind
29.91 inHg
pressure
11 AM Overcast at 11 AM on Sep 23
Overcast
69°F
9%
rain
0%
snow
4.9 mph WSW
wind
29.9 inHg
pressure
12 PM Overcast at 12 PM on Sep 23
Overcast
71°F
9%
rain
0%
snow
4.7 mph WSW
wind
29.89 inHg
pressure
1 PM Overcast at 1 PM on Sep 23
Overcast
73°F
9%
rain
0%
snow
4.5 mph WSW
wind
29.88 inHg
pressure
2 PM Overcast at 2 PM on Sep 23
Overcast
75°F
9%
rain
0%
snow
4.3 mph WSW
wind
29.86 inHg
pressure
3 PM Sunny at 3 PM on Sep 23
Sunny
76°F
5%
rain
0%
snow
3.1 mph WSW
wind
29.85 inHg
pressure
4 PM Overcast at 4 PM on Sep 23
Overcast
77°F
2%
rain
0%
snow
2.2 mph SW
wind
29.84 inHg
pressure
5 PM Sunny at 5 PM on Sep 23
Sunny
77°F
1%
rain
0%
snow
1.1 mph SW
wind
29.82 inHg
pressure
6 PM Partly Cloudy at 6 PM on Sep 23
Partly Cloudy
75°F
1%
rain
0%
snow
2 mph S
wind
29.83 inHg
pressure
7 PM Clear at 7 PM on Sep 23
Clear
72°F
3%
rain
0%
snow
2.7 mph ESE
wind
29.84 inHg
pressure
8 PM Partly Cloudy at 8 PM on Sep 23
Partly Cloudy
69°F
4%
rain
0%
snow
3.6 mph ENE
wind
29.84 inHg
pressure
9 PM Clear at 9 PM on Sep 23
Clear
67°F
3%
rain
0%
snow
3.4 mph SE
wind
29.85 inHg
pressure
10 PM Partly Cloudy at 10 PM on Sep 23
Partly Cloudy
65°F
2%
rain
0%
snow
3.1 mph S
wind
29.87 inHg
pressure
11 PM Clear at 11 PM on Sep 23
Clear
63°F
1%
rain
0%
snow
2.9 mph WSW
wind
29.88 inHg
pressure
9-24

Sunny

Thu 9-24

Sunny with a high of 72°F and a low of 55°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 8mph and gusts of 11.9mph at 5 PM. Humidity levels should be comfortable, sitting around 37% on average, the maximum being 53% at 5 AM and 23% being its lowest at 5 PM. Barometric pressure is its highest of 29.98inHg at 8 AM, a lowest point of 29.85inHg at 5 PM with an avg 29.91inHg.

    • HI: 72°F
    • LO: 55°F
    • Rain: 2%
    • Snow: 0%
    • Wind
      7.2 mph
    • Humidity
      37% avg.
    • UV Index
      6
    • Air Quality
      TBA
    • Sunrise
      06:48 AM
    • Sunset
      06:53 PM
    • Moonrise
      06:04 PM
    • Moonset
      04:46 AM
    • Moon Phase
      Full Moon
  • Hourly
12 AM Clear at 12 AM on Sep 24
Clear
61°F
1%
rain
0%
snow
4.3 mph WSW
wind
29.9 inHg
pressure
1 AM Clear at 1 AM on Sep 24
Clear
60°F
1%
rain
0%
snow
5.8 mph W
wind
29.91 inHg
pressure
2 AM Clear at 2 AM on Sep 24
Clear
58°F
1%
rain
0%
snow
7.2 mph W
wind
29.92 inHg
pressure
3 AM Clear at 3 AM on Sep 24
Clear
57°F
2%
rain
0%
snow
6.7 mph W
wind
29.93 inHg
pressure
4 AM Clear at 4 AM on Sep 24
Clear
56°F
2%
rain
0%
snow
6.5 mph W
wind
29.94 inHg
pressure
5 AM Clear at 5 AM on Sep 24
Clear
55°F
3%
rain
0%
snow
6 mph W
wind
29.95 inHg
pressure
6 AM Clear at 6 AM on Sep 24
Clear
55°F
2%
rain
0%
snow
5.6 mph W
wind
29.96 inHg
pressure
7 AM Sunny at 7 AM on Sep 24
Sunny
55°F
2%
rain
0%
snow
4.9 mph W
wind
29.97 inHg
pressure
8 AM Sunny at 8 AM on Sep 24
Sunny
55°F
2%
rain
0%
snow
4.5 mph WNW
wind
29.98 inHg
pressure
9 AM Partly Cloudy at 9 AM on Sep 24
Partly Cloudy
58°F
2%
rain
0%
snow
4.3 mph W
wind
29.98 inHg
pressure
10 AM Sunny at 10 AM on Sep 24
Sunny
61°F
2%
rain
0%
snow
4 mph W
wind
29.97 inHg
pressure
11 AM Partly Cloudy at 11 AM on Sep 24
Partly Cloudy
64°F
2%
rain
0%
snow
3.8 mph W
wind
29.97 inHg
pressure
12 PM Cloudy at 12 PM on Sep 24
Cloudy
66°F
3%
rain
0%
snow
3.6 mph WSW
wind
29.95 inHg
pressure
1 PM Partly Cloudy at 1 PM on Sep 24
Partly Cloudy
68°F
4%
rain
0%
snow
3.4 mph WSW
wind
29.93 inHg
pressure
2 PM Cloudy at 2 PM on Sep 24
Cloudy
70°F
5%
rain
0%
snow
3.1 mph SW
wind
29.91 inHg
pressure
3 PM Cloudy at 3 PM on Sep 24
Cloudy
71°F
5%
rain
0%
snow
3.1 mph SW
wind
29.89 inHg
pressure
4 PM Cloudy at 4 PM on Sep 24
Cloudy
71°F
5%
rain
0%
snow
2.9 mph SW
wind
29.87 inHg
pressure
5 PM Cloudy at 5 PM on Sep 24
Cloudy
72°F
5%
rain
0%
snow
2.9 mph SW
wind
29.85 inHg
pressure
6 PM Partly Cloudy at 6 PM on Sep 24
Partly Cloudy
70°F
4%
rain
0%
snow
2.9 mph S
wind
29.85 inHg
pressure
7 PM Cloudy at 7 PM on Sep 24
Cloudy
68°F
3%
rain
0%
snow
2.9 mph SSE
wind
29.85 inHg
pressure
8 PM Partly Cloudy at 8 PM on Sep 24
Partly Cloudy
67°F
2%
rain
0%
snow
2.9 mph SE
wind
29.85 inHg
pressure
9 PM Overcast at 9 PM on Sep 24
Overcast
66°F
4%
rain
0%
snow
2.2 mph ESE
wind
29.85 inHg
pressure
10 PM Partly Cloudy at 10 PM on Sep 24
Partly Cloudy
66°F
6%
rain
0%
snow
1.6 mph ESE
wind
29.85 inHg
pressure
11 PM Overcast at 11 PM on Sep 24
Overcast
65°F
9%
rain
0%
snow
0.9 mph ESE
wind
29.85 inHg
pressure
9-25

Overcast

Fri 9-25

Overcast with a high of 69°F and a low of 55°F. There's a very small chance of rainfall, only about 5%. Wind will be moderate, blowing around 20mph on average and gusts of 33.6mph at 8 PM. Humidity levels should be comfortable, sitting around 31% on average, the maximum being 50% at 5 AM and 15% being its lowest at 2 PM. Barometric pressure is its highest of 30.02inHg at 11 PM, a lowest point of 29.86inHg at 12 AM with an avg 29.9inHg.

    • HI: 69°F
    • LO: 55°F
    • Rain: 5%
    • Snow: 0%
    • Wind
      19.7 mph
    • Humidity
      31% avg.
    • UV Index
      6
    • Air Quality
      TBA
    • Sunrise
      06:49 AM
    • Sunset
      06:51 PM
    • Moonrise
      06:20 PM
    • Moonset
      05:52 AM
    • Moon Phase
      Full Moon
  • Hourly
12 AM Overcast at 12 AM on Sep 25
Overcast
63°F
10%
rain
0%
snow
2.5 mph SSE
wind
29.86 inHg
pressure
1 AM Overcast at 1 AM on Sep 25
Overcast
60°F
10%
rain
0%
snow
4.3 mph SW
wind
29.86 inHg
pressure
2 AM Overcast at 2 AM on Sep 25
Overcast
58°F
11%
rain
0%
snow
5.8 mph W
wind
29.86 inHg
pressure
3 AM Overcast at 3 AM on Sep 25
Overcast
57°F
11%
rain
0%
snow
5.8 mph W
wind
29.87 inHg
pressure
4 AM Overcast at 4 AM on Sep 25
Overcast
57°F
12%
rain
0%
snow
5.6 mph W
wind
29.87 inHg
pressure
5 AM Overcast at 5 AM on Sep 25
Overcast
56°F
12%
rain
0%
snow
5.6 mph W
wind
29.87 inHg
pressure
6 AM Overcast at 6 AM on Sep 25
Overcast
56°F
11%
rain
0%
snow
5.6 mph W
wind
29.88 inHg
pressure
7 AM Overcast at 7 AM on Sep 25
Overcast
56°F
11%
rain
0%
snow
5.8 mph WSW
wind
29.88 inHg
pressure
8 AM Overcast at 8 AM on Sep 25
Overcast
56°F
10%
rain
0%
snow
5.8 mph WSW
wind
29.89 inHg
pressure
9 AM Overcast at 9 AM on Sep 25
Overcast
58°F
10%
rain
0%
snow
6.7 mph W
wind
29.9 inHg
pressure
10 AM Overcast at 10 AM on Sep 25
Overcast
60°F
9%
rain
0%
snow
7.8 mph W
wind
29.9 inHg
pressure
11 AM Overcast at 11 AM on Sep 25
Overcast
63°F
9%
rain
0%
snow
8.7 mph W
wind
29.91 inHg
pressure
12 PM Sunny at 12 PM on Sep 25
Sunny
64°F
5%
rain
0%
snow
8.1 mph W
wind
29.9 inHg
pressure
1 PM Overcast at 1 PM on Sep 25
Overcast
66°F
2%
rain
0%
snow
7.6 mph WSW
wind
29.89 inHg
pressure
2 PM Sunny at 2 PM on Sep 25
Sunny
68°F
0%
rain
0%
snow
6.9 mph WSW
wind
29.88 inHg
pressure
3 PM Sunny at 3 PM on Sep 25
Sunny
68°F
0%
rain
0%
snow
7.2 mph W
wind
29.88 inHg
pressure
4 PM Sunny at 4 PM on Sep 25
Sunny
69°F
0%
rain
0%
snow
7.6 mph WNW
wind
29.88 inHg
pressure
5 PM Sunny at 5 PM on Sep 25
Sunny
69°F
0%
rain
0%
snow
7.8 mph NW
wind
29.87 inHg
pressure
6 PM Partly Cloudy at 6 PM on Sep 25
Partly Cloudy
66°F
1%
rain
0%
snow
11.9 mph NW
wind
29.9 inHg
pressure
7 PM Clear at 7 PM on Sep 25
Clear
62°F
2%
rain
0%
snow
15.7 mph NW
wind
29.93 inHg
pressure
8 PM Partly Cloudy at 8 PM on Sep 25
Partly Cloudy
58°F
4%
rain
0%
snow
19.7 mph WNW
wind
29.96 inHg
pressure
9 PM Clear at 9 PM on Sep 25
Clear
57°F
3%
rain
0%
snow
16.3 mph WNW
wind
29.98 inHg
pressure
10 PM Partly Cloudy at 10 PM on Sep 25
Partly Cloudy
56°F
2%
rain
0%
snow
13.2 mph WNW
wind
30 inHg
pressure
11 PM Clear at 11 PM on Sep 25
Clear
55°F
1%
rain
0%
snow
9.8 mph WNW
wind
30.02 inHg
pressure
9-26

Sunny

Sat 9-26

Sunny with a high of 67°F and a low of 47°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 9mph and gusts of 21mph at 12 AM. Humidity levels should be comfortable, sitting around 35% on average, the maximum being 57% at 5 AM and 16% being its lowest at 5 PM. Barometric pressure is its highest of 30.18inHg at 8 AM, a lowest point of 30.04inHg at 12 AM with an avg 30.14inHg.

    • HI: 67°F
    • LO: 47°F
    • Rain: 1%
    • Snow: 0%
    • Wind
      8.5 mph
    • Humidity
      35% avg.
    • UV Index
      5
    • Air Quality
      TBA
    • Sunrise
      06:51 AM
    • Sunset
      06:49 PM
    • Moonrise
      06:36 PM
    • Moonset
      06:59 AM
    • Moon Phase
      Full Moon
  • Hourly
12 AM Clear at 12 AM on Sep 26
Clear
53°F
1%
rain
0%
snow
8.5 mph WNW
wind
30.04 inHg
pressure
1 AM Clear at 1 AM on Sep 26
Clear
51°F
2%
rain
0%
snow
6.9 mph WNW
wind
30.06 inHg
pressure
2 AM Clear at 2 AM on Sep 26
Clear
49°F
3%
rain
0%
snow
5.6 mph WNW
wind
30.09 inHg
pressure
3 AM Clear at 3 AM on Sep 26
Clear
49°F
3%
rain
0%
snow
5.1 mph WNW
wind
30.11 inHg
pressure
4 AM Clear at 4 AM on Sep 26
Clear
48°F
3%
rain
0%
snow
4.5 mph W
wind
30.12 inHg
pressure
5 AM Clear at 5 AM on Sep 26
Clear
47°F
3%
rain
0%
snow
4 mph W
wind
30.14 inHg
pressure
6 AM Clear at 6 AM on Sep 26
Clear
48°F
3%
rain
0%
snow
3.8 mph W
wind
30.15 inHg
pressure
7 AM Sunny at 7 AM on Sep 26
Sunny
48°F
3%
rain
0%
snow
3.8 mph W
wind
30.16 inHg
pressure
8 AM Sunny at 8 AM on Sep 26
Sunny
49°F
2%
rain
0%
snow
3.6 mph W
wind
30.18 inHg
pressure
9 AM Sunny at 9 AM on Sep 26
Sunny
52°F
1%
rain
0%
snow
3.4 mph W
wind
30.18 inHg
pressure
10 AM Sunny at 10 AM on Sep 26
Sunny
55°F
1%
rain
0%
snow
2.9 mph W
wind
30.17 inHg
pressure
11 AM Sunny at 11 AM on Sep 26
Sunny
58°F
1%
rain
0%
snow
2.7 mph W
wind
30.17 inHg
pressure
12 PM Sunny at 12 PM on Sep 26
Sunny
60°F
1%
rain
0%
snow
2.2 mph WNW
wind
30.16 inHg
pressure
1 PM Sunny at 1 PM on Sep 26
Sunny
63°F
1%
rain
0%
snow
1.6 mph NW
wind
30.15 inHg
pressure
2 PM Sunny at 2 PM on Sep 26
Sunny
65°F
1%
rain
0%
snow
1.1 mph NNW
wind
30.13 inHg
pressure
3 PM Sunny at 3 PM on Sep 26
Sunny
66°F
0%
rain
0%
snow
1.1 mph NNW
wind
30.12 inHg
pressure
4 PM Sunny at 4 PM on Sep 26
Sunny
66°F
0%
rain
0%
snow
0.9 mph NW
wind
30.11 inHg
pressure
5 PM Sunny at 5 PM on Sep 26
Sunny
67°F
0%
rain
0%
snow
0.9 mph NW
wind
30.11 inHg
pressure
6 PM Sunny at 6 PM on Sep 26
Sunny
64°F
0%
rain
0%
snow
2.2 mph WSW
wind
30.12 inHg
pressure
7 PM Clear at 7 PM on Sep 26
Clear
62°F
0%
rain
0%
snow
3.4 mph S
wind
30.14 inHg
pressure
8 PM Clear at 8 PM on Sep 26
Clear
59°F
0%
rain
0%
snow
4.7 mph ESE
wind
30.15 inHg
pressure
9 PM Clear at 9 PM on Sep 26
Clear
58°F
0%
rain
0%
snow
4 mph SE
wind
30.16 inHg
pressure
10 PM Clear at 10 PM on Sep 26
Clear
57°F
0%
rain
0%
snow
3.6 mph SSE
wind
30.16 inHg
pressure
11 PM Clear at 11 PM on Sep 26
Clear
55°F
1%
rain
0%
snow
2.9 mph S
wind
30.18 inHg
pressure
9-27

Sunny

Sun 9-27

Sunny with a high of 73°F and a low of 50°F. Winds will be light at 7mph and gusts of 16.3mph at 2 PM. The air will be relatively dry with average humidity levels below 30%, the maximum being 36% at 5 AM and 12% being its lowest at 5 PM. Barometric pressure is its highest of 30.22inHg at 8 AM, a lowest point of 30.1inHg at 5 PM with an avg 30.16inHg.

    • HI: 73°F
    • LO: 50°F
    • Rain: 0%
    • Snow: 0%
    • Wind
      6.7 mph
    • Humidity
      24% avg.
    • UV Index
      6
    • Air Quality
      TBA
    • Sunrise
      06:52 AM
    • Sunset
      06:47 PM
    • Moonrise
      06:54 PM
    • Moonset
      08:07 AM
    • Moon Phase
      Waning Gibbous
  • Hourly
12 AM Clear at 12 AM on Sep 27
Clear
55°F
1%
rain
0%
snow
2.7 mph SSW
wind
30.18 inHg
pressure
1 AM Clear at 1 AM on Sep 27
Clear
54°F
1%
rain
0%
snow
2.5 mph SW
wind
30.18 inHg
pressure
2 AM Clear at 2 AM on Sep 27
Clear
53°F
1%
rain
0%
snow
2.2 mph W
wind
30.18 inHg
pressure
3 AM Clear at 3 AM on Sep 27
Clear
52°F
1%
rain
0%
snow
2.2 mph W
wind
30.18 inHg
pressure
4 AM Clear at 4 AM on Sep 27
Clear
51°F
1%
rain
0%
snow
2.2 mph W
wind
30.19 inHg
pressure
5 AM Clear at 5 AM on Sep 27
Clear
50°F
1%
rain
0%
snow
2.2 mph WNW
wind
30.19 inHg
pressure
6 AM Clear at 6 AM on Sep 27
Clear
51°F
1%
rain
0%
snow
2.2 mph WNW
wind
30.2 inHg
pressure
7 AM Sunny at 7 AM on Sep 27
Sunny
53°F
1%
rain
0%
snow
2.2 mph WNW
wind
30.21 inHg
pressure
8 AM Sunny at 8 AM on Sep 27
Sunny
54°F
1%
rain
0%
snow
2.2 mph WNW
wind
30.22 inHg
pressure
9 AM Sunny at 9 AM on Sep 27
Sunny
57°F
1%
rain
0%
snow
2.5 mph WSW
wind
30.21 inHg
pressure
10 AM Sunny at 10 AM on Sep 27
Sunny
60°F
1%
rain
0%
snow
2.9 mph SW
wind
30.21 inHg
pressure
11 AM Sunny at 11 AM on Sep 27
Sunny
63°F
1%
rain
0%
snow
3.1 mph S
wind
30.21 inHg
pressure
12 PM Sunny at 12 PM on Sep 27
Sunny
65°F
0%
rain
0%
snow
3.8 mph S
wind
30.19 inHg
pressure
1 PM Sunny at 1 PM on Sep 27
Sunny
68°F
0%
rain
0%
snow
4.5 mph S
wind
30.17 inHg
pressure
2 PM Sunny at 2 PM on Sep 27
Sunny
70°F
0%
rain
0%
snow
5.1 mph SSE
wind
30.15 inHg
pressure
3 PM Sunny at 3 PM on Sep 27
Sunny
71°F
0%
rain
0%
snow
4.7 mph SSE
wind
30.13 inHg
pressure
4 PM Sunny at 4 PM on Sep 27
Sunny
72°F
0%
rain
0%
snow
4.5 mph SE
wind
30.11 inHg
pressure
5 PM Sunny at 5 PM on Sep 27
Sunny
73°F
0%
rain
0%
snow
4 mph SE
wind
30.1 inHg
pressure
6 PM Sunny at 6 PM on Sep 27
Sunny
69°F
0%
rain
0%
snow
4.9 mph ESE
wind
30.1 inHg
pressure
7 PM Clear at 7 PM on Sep 27
Clear
67°F
0%
rain
0%
snow
5.8 mph E
wind
30.1 inHg
pressure
8 PM Clear at 8 PM on Sep 27
Clear
64°F
0%
rain
0%
snow
6.7 mph ENE
wind
30.11 inHg
pressure
9 PM Clear at 9 PM on Sep 27
Clear
63°F
0%
rain
0%
snow
6.3 mph ENE
wind
30.11 inHg
pressure
10 PM Clear at 10 PM on Sep 27
Clear
62°F
0%
rain
0%
snow
5.8 mph NE
wind
30.11 inHg
pressure
11 PM Clear at 11 PM on Sep 27
Clear
61°F
0%
rain
0%
snow
5.4 mph NNE
wind
30.1 inHg
pressure

This 10-Day weather forecast is valid for ZIP code 99350, accurately covering the area of Prosser, WA.

Currently

Sunny 73°F
29.99 inHg.
Barometer
31%
Humidity
SSE 5.4 mph
Wind
Sunny
Full Report

National Outlook

Heavy Rain in North-Central U.S. & Scorching Heat in South-Central U.S. - 09-18 to 09-20

Fri Sep 18th 2026, 5:45am PDT
Read

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