Walla Walla County, WA Weather Forecast
County weather hub
Light Rain Likely then Showers And Thunderstorms Likely
Compare major city weather across Walla Walla County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain likely before 2pm, then showers and thunderstorms likely between 2pm and 5pm, then a chance of rain. Mostly cloudy, with a high near 68. Southwest wind 6 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
County Weather Overview
This county weather page brings together forecast coverage for Walla Walla County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 3 of 3 mapped cities in Walla Walla County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 16, 2026
- Latest sync
- Apr 9, 2026 10:26 PM PDT
- Forecast office
- PDT
- Source
- NOAA / NWS
Daily Outlook
This Week in Walla Walla County
Saturday looks like the warmest upcoming period in Walla Walla County at 68 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 36 degrees F.
The strongest winds are forecast for Tuesday at about 14 to 21 mph SW.
Precipitation is mentioned in 9 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 10:26 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
A chance of rain. Mostly cloudy, with a low around 46. South wind 6 to 9 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 50%.
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 50%.
A chance of rain before 5pm. Partly sunny, with a high near 61. Chance of precipitation is 30%.
Mostly cloudy, with a low around 41.
Partly sunny, with a high near 58.
Rain likely after 11pm. Mostly cloudy, with a low around 42.
Rain likely. Partly sunny, with a high near 56.
A chance of rain before 5am. Partly cloudy, with a low around 36.
A slight chance of rain between 11am and 5pm. Mostly sunny, with a high near 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Light Rain Likely then Showers And Thunderstorms Likely
|
68°F |
6 to 10 mph
SW
|
|
Saturday Night
Apr 11
|
Chance Light Rain
|
46°F |
6 to 9 mph
S
|
|
Sunday
Apr 12
|
Chance Light Rain
|
66°F |
6 to 10 mph
SW
|
|
Sunday Night
Apr 12
|
Chance Light Rain
|
45°F |
13 mph
SW
|
|
Monday
Apr 13
|
Chance Light Rain
|
61°F |
13 to 18 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
41°F |
14 to 17 mph
SW
|
|
Tuesday
Apr 14
|
Partly Sunny
|
58°F |
14 to 21 mph
SW
|
|
Tuesday Night
Apr 14
|
Light Rain Likely
|
42°F |
14 to 18 mph
SW
|
|
Wednesday
Apr 15
|
Light Rain Likely
|
56°F |
14 to 18 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Light Rain
|
36°F |
8 to 16 mph
SW
|
|
Thursday
Apr 16
|
Slight Chance Light Rain
|
57°F |
9 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Walla Walla County.
Coverage
Forecast coverage currently spans 3 of 3 mapped cities in Walla Walla County.
Largest mapped city population in this region: 33,096.
