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Umatilla County (Pendleton)
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United States weather

10 day weather forecast for Umatilla County

Wednesday, October 22nd, 2025, at 12:07 AM
today
Sunny
19° 5°
tomorrow
Partly cloudy
16° 8°
Friday
Cloudy
22° 8°
Saturday
Patchy rain possible
16° 8°
Sunday
Patchy rain possible
11° 6°
Monday
Cloudy
11° 5°
Tuesday
Patchy rain possible
8° 5°
 More Details See
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Umatilla County Weather Pages

Umatilla County weather forecast

The weather forecast for Umatilla County over the next 4 days indicates comfortable conditions with temperatures ranging from 16 °F to 22 °F.

Rain is expected from Saturday until Sunday, accompanied by a gentle breeze.

On Sunday, a notable cooling trend with temperatures reaching 11°C, and light showers with a 85% chance.

Weather today
Umatilla County weather forecast

Umatilla County 14 days weather forecast

This weeks weather in Umatilla County. Click on a date for detailed forecasts
Wed. 22
19°
5°
Sunny
0 mm
Thu. 23
16°
8°
Partly cloudy
0 mm
Fri. 24
22°
8°
Cloudy
0 mm
Sat. 25
16°
8°
Patchy rain possible
3.7 mm
Sun. 26
11°
6°
Patchy rain possible
0.1 mm
Mon. 27
11°
5°
Cloudy
0 mm
Tue. 28
8°
5°
Patchy rain possible
1 mm
Wed. 29
13°
6°
Cloudy
0 mm
Thu. 30
12°
7°
Partly cloudy
0 mm
Fri. 31
11°
6°
Patchy rain possible
0.5 mm
Sat. 1
11°
7°
Patchy rain possible
0.8 mm
Sun. 2
12°
7°
Patchy rain possible
0.3 mm
Mon. 3
7°
5°
Partly cloudy
0.1 mm
Further Ahead
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Access Umatilla County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Umatilla County long range weather forecast

30 day weather forecast for Umatilla County
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
19°
2
Light rain
16°
3
Sunny
20°
4
Moderate rain at times
18°
5
Sunny
20°
6
Sunny
22°
7
Sunny
26°
8
Sunny
22°
9
Overcast
20°
10
Overcast
19°
11
Overcast
18°
12
Partly cloudy
15°
13
Sunny
18°
14
Overcast
17°
15
Overcast
17°
16
Overcast
17°
17
Patchy rain possible
14°
18
Sunny
14°
19
Partly cloudy
18°
20
Overcast
20°
21
Moderate or heavy rain shower
14°
22
Sunny
19°
23
Partly cloudy
16°
24
Cloudy
22°
25
Patchy rain possible
16°
26
Patchy rain possible
11°
27
Cloudy
11°
28
Patchy rain possible
8°
29
Cloudy
13°
30
Partly cloudy
12°
31
Patchy rain possible
11°
Important Notice
Our Umatilla County long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Umatilla County

The chart displays the expected rainfall values (in mm) over the next 14 days in Umatilla County, highlighting variations in precipitation levels for specific dates. ☔

Umatilla County Wind Speed Forecast Chart

This chart illustrates the projected daily max wind speed (in km) in Umatilla County over the next two weeks, providing insights into periods of increased or decreased wind activity. 🌀

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Location coordinates Where is Umatilla County?

Get accurate weather forecasts for Umatilla County, located at latitude 45.672 and longitude -118.789. Stay updated with localized weather information tailored for Umatilla County.

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