Washington County, OR Weather Forecast
County weather hub
Light Rain then Showers And Thunderstorms
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Rain and patchy fog before 2pm, then showers and thunderstorms between 2pm and 5pm, then a chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 80%.
County Weather Overview
This county weather page brings together forecast coverage for Washington County so visitors can compare temperatures, wind, and conditions across the region without hopping between unrelated pages.
Current forecast coverage spans 16 of 17 mapped cities in Washington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Apr 11 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:42 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Saturday looks like the warmest upcoming period in Washington County at 62 degrees F.
Monday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Monday at about 1 to 6 mph WSW.
Precipitation is mentioned in 8 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:42 AM PDT
- Coverage
- 5 days
- Time zone
- America/Los_Angeles
- Forecast office
- PQR
- Radar station
- KRTX
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.
Rain likely. Mostly cloudy, with a high near 55.
A slight chance of rain. Mostly cloudy, with a low around 43.
A chance of rain before 5pm. Mostly cloudy, with a high near 57.
Mostly cloudy, with a low around 39.
A chance of rain after 11am. Mostly cloudy, with a high near 56.
Rain likely. Mostly cloudy, with a low around 43.
Rain likely. Mostly cloudy, with a high near 56.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Apr 11
|
Light Rain then Showers And Thunderstorms
|
62°F |
0 to 3 mph
SE
|
|
Saturday Night
Apr 11
|
Chance Light Rain
|
46°F |
3 mph
W
|
|
Sunday
Apr 12
|
Light Rain Likely
|
55°F |
5 mph
WSW
|
|
Sunday Night
Apr 12
|
Slight Chance Light Rain
|
43°F |
1 to 5 mph
W
|
|
Monday
Apr 13
|
Chance Light Rain
|
57°F |
1 to 6 mph
WSW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
39°F |
1 to 6 mph
W
|
|
Tuesday
Apr 14
|
Chance Light Rain
|
56°F |
1 to 5 mph
SW
|
|
Tuesday Night
Apr 14
|
Light Rain Likely
|
43°F |
5 mph
SSW
|
|
Wednesday
Apr 15
|
Light Rain Likely
|
56°F |
6 mph
SW
|
Major City Forecasts
Live forecast snapshots for major cities across Washington County.
Coverage
Forecast coverage currently spans 16 of 17 mapped cities in Washington County.
Largest mapped city population in this region: 110,985.
