Umatilla County, OR Weather Forecast
County weather hub
Light Rain then Showers And Thunderstorms
Compare major city weather across Umatilla County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain before 2pm, then showers and thunderstorms between 2pm and 5pm, then rain likely. Mostly cloudy, with a high near 65. Southwest wind 3 to 7 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Umatilla County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 7 of 7 mapped cities in Umatilla County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 12:49 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Umatilla County
Saturday looks like the warmest upcoming period in Umatilla County at 65 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Monday at about 10 to 15 mph SW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 12:49 PM PDT
- Coverage
- 6 days
- Time zone
- America/Los_Angeles
- Forecast office
- PDT
- Radar station
- KPDT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Rain likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.
Rain. Mostly cloudy, with a high near 55. Chance of precipitation is 80%.
A chance of rain. Mostly cloudy, with a low around 40. Chance of precipitation is 50%.
A chance of rain before 5pm. Mostly cloudy, with a high near 55.
Mostly cloudy, with a low around 37.
Partly sunny, with a high near 59.
A chance of rain after 5am. Mostly cloudy, with a low around 39.
A chance of rain. Mostly cloudy, with a high near 58.
A chance of rain. Mostly cloudy, with a low around 36.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Light Rain then Showers And Thunderstorms
|
65°F |
3 to 7 mph
SW
|
|
Saturday Night
Apr 11
|
Light Rain Likely
|
43°F |
6 mph
SW
|
|
Sunday
Apr 12
|
Light Rain
|
55°F |
5 to 12 mph
SW
|
|
Sunday Night
Apr 12
|
Chance Light Rain
|
40°F |
12 mph
SW
|
|
Monday
Apr 13
|
Chance Light Rain
|
55°F |
10 to 15 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
37°F |
7 to 13 mph
SW
|
|
Tuesday
Apr 14
|
Partly Sunny
|
59°F |
7 to 12 mph
W
|
|
Tuesday Night
Apr 14
|
Mostly Cloudy then Chance Light Rain
|
39°F |
6 to 10 mph
SW
|
|
Wednesday
Apr 15
|
Chance Light Rain
|
58°F |
6 to 14 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Light Rain
|
36°F |
5 to 12 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Umatilla County.
Coverage
Forecast coverage currently spans 7 of 7 mapped cities in Umatilla County.
Largest mapped city population in this region: 17,791.
