Umatilla, OR Hourly Weather Forecast
Next 48 Hours
Tue, Sep 1st 2026
Sunny skies in the morning, with Overcast conditions expected by night. Warming trend from 66°F to 87°. Breezy wind from the SW at 13.9 mph, as humidity fluctuates between 18% to 45%, and an avg barometric pressure of 29.63 inHg.
| Tue, Sep 1st | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 PM Scattered Showers UV: 4.2 |
84°F Feels 78°F |
28% | 10.7 SW | 29.7 | 47.7°F | 10% |
1 PM Scattered ShowersUV: 5.1 |
86°F Feels 80°F |
25% | 10.1 SW | 29.68 | 46.4°F | 10% |
2 PM Overcast UV: 4.8 |
82°F Feels 74°F |
23% | 11.4 SW | 29.66 | 40.8°F | 9% |
3 PM Sunny UV: 3.9 |
85°F Feels 76°F |
20% | 11 SW | 29.62 | 39.9°F | 1% |
4 PM SunnyUV: 2.6 |
86°F Feels 78°F |
19% | 10.7 SW | 29.59 | 38.7°F | 0% |
5 PM SunnyUV: 1.3 |
87°F Feels 79°F |
18% | 8.5 SW | 29.57 | 37.8°F | 0% |
6 PM SunnyUV: 0.4 |
85°F Feels 76°F |
18% | 11.9 SW | 29.57 | 37.6°F | 1% |
7 PM OvercastUV: 0 |
81°F Feels 70°F |
22% | 14.5 SW | 29.57 | 38.1°F | 9% |
8 PM Overcast UV: 0 |
73°F Feels 60°F |
30% | 20.1 WSW | 29.6 | 39.9°F | 9% |
9 PM OvercastUV: 0 |
69°F Feels 57°F |
38% | 17.9 SW | 29.64 | 42.4°F | 10% |
10 PM OvercastUV: 0 |
68°F Feels 56°F |
39% | 18.3 SW | 29.66 | 42.1°F | 10% |
11 PM OvercastUV: 0 |
66°F Feels 52°F |
45% | 22.1 SW | 29.68 | 43.9°F | 11% |
Wed, Sep 2nd 2026
Overcast skies will dominate from morning to night. Warming trend from 58°F to 76°. Windy conditions, shifting from SW to SW at 14.3 mph, as humidity fluctuates between 30% to 76%, and an avg barometric pressure of 29.73 inHg.
| Wed, Sep 2nd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
65°F Feels 52°F |
49% | 21.3 SW | 29.71 | 45.5°F | 12% |
1 AM OvercastUV: 0 |
64°F Feels 52°F |
53% | 19.5 SW | 29.71 | 46.2°F | 13% |
2 AM OvercastUV: 0 |
63°F Feels 51°F |
52% | 19.7 SW | 29.72 | 45.5°F | 12% |
3 AM OvercastUV: 0 |
62°F Feels 50°F |
56% | 19.2 SW | 29.72 | 46°F | 13% |
4 AM Partly Cloudy UV: 0 |
60°F Feels 49°F |
61% | 17.9 SW | 29.73 | 46.8°F | 7% |
5 AM OvercastUV: 0 |
59°F Feels 50°F |
63% | 16.1 SW | 29.73 | 46.9°F | 15% |
6 AM Scattered Showers UV: 0 |
59°F Feels 49°F |
63% | 17.2 SW | 29.74 | 46.7°F | 14% |
7 AM Light Rain Shower UV: 0.1 |
58°F Feels 50°F |
76% | 13.2 SSW | 29.78 | 50.1°F | 38% Rain est. 0.01in |
8 AM Cloudy UV: 0.4 |
61°F Feels 52°F |
60% | 15.2 SW | 29.76 | 47.1°F | 11% |
9 AM SunnyUV: 0.9 |
65°F Feels 55°F |
46% | 15.7 SW | 29.76 | 44.3°F | 2% |
10 AM SunnyUV: 2.2 |
68°F Feels 59°F |
40% | 13.6 SW | 29.77 | 43.1°F | 1% |
11 AM Scattered ShowersUV: 3.3 |
71°F Feels 62°F |
36% | 13.2 SW | 29.76 | 42.7°F | 10% |
12 PM OvercastUV: 4.9 |
73°F Feels 65°F |
34% | 10.3 SW | 29.74 | 42.5°F | 10% |
1 PM OvercastUV: 5.4 |
74°F Feels 68°F |
32% | 8.1 WSW | 29.72 | 42.4°F | 9% |
2 PM OvercastUV: 4.9 |
73°F Feels 69°F |
33% | 4.7 SSW | 29.7 | 42.7°F | 10% |
3 PM OvercastUV: 3.2 |
74°F Feels 69°F |
32% | 5.8 SSW | 29.68 | 42.5°F | 9% |
4 PM OvercastUV: 2.1 |
76°F Feels 71°F |
30% | 6.3 WSW | 29.65 | 42°F | 9% |
5 PM OvercastUV: 0.4 |
74°F Feels 64°F |
32% | 13.4 W | 29.65 | 41.9°F | 9% |
6 PM OvercastUV: 0.2 |
69°F Feels 55°F |
38% | 22.8 WSW | 29.68 | 42.5°F | 10% |
7 PM OvercastUV: 0 |
67°F Feels 54°F |
44% | 20.6 WSW | 29.7 | 44.1°F | 11% |
8 PM OvercastUV: 0 |
62°F Feels 51°F |
60% | 18.6 SW | 29.74 | 47.7°F | 15% |
9 PM Scattered ShowersUV: 0 |
60°F Feels 51°F |
69% | 14.3 SW | 29.76 | 49.4°F | 26% |
10 PM Scattered ShowersUV: 0 |
59°F Feels 53°F |
74% | 10.3 SW | 29.77 | 50.2°F | 25% |
11 PM OvercastUV: 0 |
58°F Feels 55°F |
74% | 6.9 SW | 29.76 | 50.3°F | 21% |
Thu, Sep 3rd 2026
Overcast conditions in the morning, with scattered showers expected by night. Temps range from 56° to 66°. Light winds, shifting from SSW to SW at 5.1 mph, with humidity ranging 39% to 83%, and an avg barometric pressure of 29.76 inHg.
| Thu, Sep 3rd | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
58°F Feels 57°F |
74% | 3.1 SSW | 29.75 | 50.1°F | 20% |
1 AM Scattered ShowersUV: 0 |
58°F Feels 57°F |
76% | 2.7 SSW | 29.75 | 50.6°F | 22% |
2 AM Scattered ShowersUV: 0 |
58°F Feels 57°F |
77% | 1.8 SW | 29.75 | 50.6°F | 25% |
3 AM Scattered ShowersUV: 0 |
58°F Feels 57°F |
77% | 1.6 SSW | 29.75 | 50.6°F | 29% |
4 AM Scattered ShowersUV: 0 |
58°F Feels 57°F |
78% | 1.6 S | 29.74 | 51°F | 31% |
5 AM Scattered ShowersUV: 0 |
58°F Feels 57°F |
75% | 2.7 SSE | 29.74 | 50.4°F | 28% |
6 AM OvercastUV: 0 |
58°F Feels 57°F |
76% | 2.7 S | 29.73 | 50.3°F | 22% |
7 AM Light Rain ShowerUV: 0.1 |
56°F Feels 53°F |
83% | 5.4 SSE | 29.77 | 51°F | 44% Rain est. 0.01in |
8 AM OvercastUV: 0.5 |
58°F Feels 53°F |
76% | 7.4 S | 29.77 | 50°F | 21% |
9 AM Scattered ShowersUV: 1.3 |
61°F Feels 56°F |
64% | 8.3 S | 29.77 | 48.3°F | 25% Rain est. 0.01in |
10 AM OvercastUV: 2.6 |
63°F Feels 58°F |
56% | 8.1 SSW | 29.77 | 46.8°F | 13% |
11 AM SunnyUV: 4 |
66°F Feels 55°F |
39% | 15.9 SW | 29.79 | 40.6°F | 1% |
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80°F |
29.71 inHg.
Barometer 34%
Humidity SW 9.2mph Wind |
| Patchy rain nearby | ||
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