Umatilla County, OR Weather Forecast
County weather hub
Partly Sunny
Compare major city weather across Umatilla County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Partly sunny, with a high near 48.
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
- Oct 31 to Nov 2, 2026
- Latest sync
- Oct 27, 2026 2:38 AM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Umatilla County
Monday looks like the warmest upcoming period in Umatilla County at 51 degrees F.
Sunday Night is the coolest period ahead with temperatures near 26 degrees F.
The strongest winds are forecast for Sunday Night at about 5 mph S.
Precipitation is mentioned in 1 upcoming forecast period.
Forecast Details
- Last updated
- Oct 27, 2026 2:38 AM PDT
- Coverage
- 3 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
A chance of rain showers between 11pm and 4am. Mostly cloudy, with a low around 33.
Mostly sunny, with a high near 48.
Partly cloudy, with a low around 26.
Mostly sunny, with a high near 51.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Oct 31
|
Partly Sunny
|
48°F |
3 mph
SW
|
|
Saturday Night
Oct 31
|
Chance Rain Showers
|
33°F |
3 mph
SW
|
|
Sunday
Nov 1
|
Mostly Sunny
|
48°F |
3 mph
W
|
|
Sunday Night
Nov 1
|
Partly Cloudy
|
26°F |
5 mph
S
|
|
Monday
Nov 2
|
Mostly Sunny
|
51°F |
1 to 5 mph
N
|
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.
