Umatilla County (Pendleton)
10 day weather forecast for Umatilla County
Sunday, July 19th, 2026, at 15:23
today
34° 14°
tomorrow
33° 21°
Tuesday
38° 22°
Wednesday
39° 23°
Thursday
40° 21°
Friday
35° 21°
Saturday
34° 20°
Seemore
Umatilla County Weather Pages
Umatilla County weather forecast
The weather forecast for Umatilla County over the next 4 days indicates hot conditions with temperatures ranging from 33 °C to 39 °C.
Light rain is expected on Thursday.
Wind speeds are expected to be breezy, averaging around 16 km/h.
On Thursday, expect a change in weather with temperatures reaching 40°C, and light showers with a 57% chance.
Umatilla County 14 days weather forecast
This weeks weather in Umatilla County. Click on a date for detailed forecasts
Sun. 19
34°
14°
0 mm
Mon. 20
33°
21°
0 mm
Tue. 21
38°
22°
0 mm
Wed. 22
39°
23°
0.1 mm
Thu. 23
40°
21°
1.3 mm
Fri. 24
35°
21°
0 mm
Sat. 25
34°
20°
0 mm
Sun. 26
30°
17°
0 mm
Mon. 27
31°
15°
0 mm
Tue. 28
32°
17°
0 mm
Wed. 29
34°
18°
0 mm
Thu. 30
32°
18°
0 mm
Fri. 31
34°
17°
0 mm
Sat. 1
39°
20°
0 mm
Further Ahead
You can click on date
Access Umatilla County weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
Umatilla County long range weather forecast
30 day weather forecast for Umatilla County
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. 🌀
Frequently asked questions about the weather in Umatilla County
How warm is it in Umatilla County over the next 14 days?
Over the next two weeks, temperatures in Umatilla County are expected to range from around 14 °C on the coldest nights up to about 40 °C on the warmest days. Use this range to plan what to pack and wear.
Will it rain in Umatilla County in the next two weeks?
Yes - rain is expected on about 2 of the next 14 days in Umatilla County, with roughly 1.4 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.
How windy is it in Umatilla County?
Maximum wind speeds in Umatilla County are forecast to reach about 42 km/h at their peak over the next 14 days.
When is the best time to visit Umatilla County?
For a month-by-month look at temperatures and rainfall, see our best time to visit Umatilla County guide.
How accurate is the 14-day forecast for Umatilla County?
Our Umatilla County forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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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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