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. High near 83, with temperatures falling to around 79 in the afternoon. North northwest wind 0 to 9 mph, with gusts as high as 18 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
- May 28 to Jun 2, 2026
- Latest sync
- May 27, 2026 3:13 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 89 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Saturday Night at about 1 to 10 mph NW.
The forecast from May 28 through Jun 2 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 3:13 PM PDT
- Coverage
- 7 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 cloudy, with a low around 52. West northwest wind 2 to 9 mph, with gusts as high as 18 mph.
Mostly cloudy, with a high near 64. West northwest wind 2 to 9 mph.
Partly cloudy, with a low around 42.
Mostly sunny, with a high near 65.
Mostly clear, with a low around 41.
Sunny, with a high near 71.
Mostly clear, with a low around 46.
Sunny, with a high near 84.
Mostly clear, with a low around 56.
Mostly sunny, with a high near 89.
Mostly cloudy, with a low around 58.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
May 28
|
Sunny
|
83°F |
0 to 9 mph
NNW
|
|
Thursday Night
May 28
|
Mostly Cloudy
|
52°F |
2 to 9 mph
WNW
|
|
Friday
May 29
|
Mostly Cloudy
|
64°F |
2 to 9 mph
WNW
|
|
Friday Night
May 29
|
Partly Cloudy
|
42°F |
0 to 9 mph
NW
|
|
Saturday
May 30
|
Mostly Sunny
|
65°F |
0 to 8 mph
NNW
|
|
Saturday Night
May 30
|
Mostly Clear
|
41°F |
1 to 10 mph
NW
|
|
Sunday
May 31
|
Sunny
|
71°F |
1 to 8 mph
NW
|
|
Sunday Night
May 31
|
Mostly Clear
|
46°F |
3 to 9 mph
NNW
|
|
Monday
Jun 1
|
Sunny
|
84°F |
5 mph
N
|
|
Monday Night
Jun 1
|
Mostly Clear
|
56°F |
2 to 6 mph
NNW
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
89°F |
3 mph
NNE
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy
|
58°F |
0 to 3 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.
