Washington County, OR Weather Forecast
County weather hub
Sunny
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Sunny, with a high near 86. North wind around 3 mph.
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 17 of 17 mapped cities in Washington County.
Page Snapshot
- Page focus
- county weather
- Forecast window
- Jul 13 to Jul 17, 2026
- Latest sync
- Jul 11, 2026 4:57 PM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Tuesday looks like the warmest upcoming period in Washington County at 88 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Wednesday at about 0 to 9 mph NNW.
The forecast from Jul 13 through Jul 17 stays mostly dry.
Forecast Details
- Last updated
- Jul 11, 2026 4:57 PM PDT
- Coverage
- 6 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
Mostly clear, with a low around 55.
Sunny, with a high near 88.
Mostly clear, with a low around 56.
Sunny, with a high near 85.
Mostly clear, with a low around 54.
Sunny, with a high near 83.
Clear, with a low around 55.
Sunny, with a high near 88.
Mostly clear, with a low around 57.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Jul 13
|
Sunny
|
86°F |
3 mph
N
|
|
Monday Night
Jul 13
|
Mostly Clear
|
55°F |
1 to 6 mph
NNW
|
|
Tuesday
Jul 14
|
Sunny
|
88°F |
0 to 5 mph
NNW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
56°F |
1 to 7 mph
NW
|
|
Wednesday
Jul 15
|
Sunny
|
85°F |
0 to 9 mph
NNW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
54°F |
0 to 9 mph
NW
|
|
Thursday
Jul 16
|
Sunny
|
83°F |
0 to 7 mph
NNW
|
|
Thursday Night
Jul 16
|
Clear
|
55°F |
3 to 7 mph
NNW
|
|
Friday
Jul 17
|
Sunny
|
88°F |
2 to 7 mph
N
|
|
Friday Night
Jul 17
|
Mostly Clear
|
57°F |
1 to 7 mph
NNW
|
Major City Forecasts
Live forecast snapshots for major cities across Washington County.
Coverage
Forecast coverage currently spans 17 of 17 mapped cities in Washington County.
Largest mapped city population in this region: 110,985.
