Umatilla, OR Weather Forecast | 5 Day
Updated: Fri Sep 18th 2026 5:45 PM PDT
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Sunny
Fri 9-18-26
Sunny with a high of 80°F and a low of 61°F. There's a very small chance of rainfall, only about 5% with an estimated 0in. Winds will be light at 6mph and gusts of 5.6mph at 7 PM. Humidity levels should be comfortable, sitting around 47% on average, the maximum being 42% at 11 PM and 34% being its lowest at 7 PM. Barometric pressure is its highest of 30.01inHg at 9 PM, a lowest point of 29.98inHg at 7 PM with an avg 30inHg.
- HI: 80°F
- LO: 61°F
- Rainfall: 5% | est. 0in
- Snowfall: 0%
- Wind
5.6 mph - Humidity
47% avg. - UV Index
4.8 - Air QualityGood
- Sunrise
06:39 AM - Sunset
07:03 PM - Moonrise
03:25 PM - Moonset
11:17 PM - Moon Phase
First Quarter
Sunny
Weather Tomorrow, Sat 9-19-26
Sunny with a high of 82°F and a low of 59°F. There's a very small chance of rainfall, only about 2%. Winds will be light at 7mph and gusts of 18.1mph at 12 PM. Humidity levels should be comfortable, sitting around 42% on average, the maximum being 67% at 7 AM and 22% being its lowest at 5 PM. Barometric pressure is its highest of 30.05inHg at 7 AM, a lowest point of 29.93inHg at 7 PM with an avg 30inHg.
- HI: 82°F
- LO: 59°F
- Rainfall: 2%
- Snowfall: 0%
- Wind
6.9 mph - Humidity
42% avg. - UV Index
4.9 - Air QualityGood
- Sunrise
06:40 AM - Sunset
07:01 PM - Moonrise
04:08 PM - Moonset
Does not set today - Moon Phase
First Quarter
Sunny
Sun 9-20-26
Sunny with a high of 84°F and a low of 62°F. There's a very small chance of rainfall, only about 1%. Winds will be light at 5mph and gusts of 16.1mph at 12 PM. Humidity levels should be comfortable, sitting around 32% on average, the maximum being 48% at 7 AM and 19% being its lowest at 4 PM. Barometric pressure is its highest of 30inHg at 8 AM, a lowest point of 29.88inHg at 7 PM with an avg 29.94inHg.
- HI: 84°F
- LO: 62°F
- Rainfall: 1%
- Snowfall: 0%
- Wind
4.9 mph - Humidity
32% avg. - UV Index
4.9 - Air QualityGood
- Sunrise
06:41 AM - Sunset
06:59 PM - Moonrise
04:41 PM - Moonset
12:19 AM - Moon Phase
Waxing Gibbous
Sunny
Mon 9-21-26
Sunny with a high of 86°F and a low of 64°F. There's a very small chance of rainfall, only about 3%. Winds will be light at 10mph and gusts of 15.9mph at 10 AM. The air will be relatively dry with average humidity levels below 30%, the maximum being 40% at 7 AM and 18% being its lowest at 4 PM. Barometric pressure is its highest of 29.92inHg at 8 AM, a lowest point of 29.81inHg at 5 PM with an avg 29.87inHg.
- HI: 86°F
- LO: 64°F
- Rainfall: 3%
- Snowfall: 0%
- Wind
9.8 mph - Humidity
29% avg. - UV Index
5 - Air QualityGood
- Sunrise
06:43 AM - Sunset
06:57 PM - Moonrise
05:07 PM - Moonset
01:25 AM - Moon Phase
Waxing Gibbous
Overcast
Tue 9-22-26
Overcast with a high of 80°F and a low of 57°F. There's a very small chance of rainfall, only about 4%. Wind will be moderate, blowing around 13mph on average and gusts of 15.4mph at 1 PM. Humidity levels should be comfortable, sitting around 38% on average, the maximum being 68% at 7 AM and 14% being its lowest at 4 PM. Barometric pressure is its highest of 29.93inHg at 9 AM, a lowest point of 29.84inHg at 5 PM with an avg 29.89inHg.
- HI: 80°F
- LO: 57°F
- Rainfall: 4%
- Snowfall: 0%
- Wind
12.8 mph - Humidity
38% avg. - UV Index
7 - Air QualityGood
- Sunrise
06:44 AM - Sunset
06:55 PM - Moonrise
05:28 PM - Moonset
02:32 AM - Moon Phase
Waxing Gibbous
Overcast
Wed 9-23-26
Overcast with a high of 79°F and a low of 55°F. There's a very small chance of rainfall, only about 6%. Winds will be light at 7mph and gusts of 14.8mph at 12 AM. Humidity levels should be comfortable, sitting around 35% on average, the maximum being 55% at 5 AM and 15% being its lowest at 5 PM. Barometric pressure is its highest of 29.99inHg at 11 AM, a lowest point of 29.88inHg at 5 PM with an avg 29.94inHg.
- HI: 79°F
- LO: 55°F
- Rainfall: 6%
- Snowfall: 0%
- Wind
6.5 mph - Humidity
35% avg. - UV Index
7 - Air QualityTBA
- Sunrise
06:45 AM - Sunset
06:53 PM - Moonrise
05:46 PM - Moonset
03:39 AM - Moon Phase
Waxing Gibbous
This 5-Day weather forecast is valid for ZIP code 97882, accurately covering the area of Umatilla, OR.
Currently
|
80°F |
29.98 inHg.
Barometer 24%
Humidity SW 8.6 mph Wind |
| Sunny | ||
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
Wet Weather with Possible Flood Concerns in the Southern Regions 09-21 to 09-25
Extended Forecast
Fri Sep 18th 2026, 5:56am PDT
Read
Fri Sep 18th 2026, 5:56am PDT
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