Washington County, OR Weather Forecast
County weather hub
Mostly Sunny
Compare major city weather across Washington County, scan the latest forecast snapshots, and jump into local 7-day outlook pages from one hub.
Mostly sunny, with a high near 65. Wind around 0 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
- Oct 13 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 12:22 PM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Washington County
Thursday looks like the warmest upcoming period in Washington County at 77 degrees F.
Saturday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Thursday at about 3 mph NNE.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 12:22 PM PDT
- Coverage
- 8 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
Partly cloudy. Low around 45, with temperatures rising to around 47 overnight. Wind around 0 mph.
Patchy fog between 7am and 9am. Mostly sunny, with a high near 71. North wind around 1 mph.
Patchy fog after 5am. Mostly clear, with a low around 48. North wind around 2 mph.
Patchy fog before 9am. Sunny, with a high near 77. North northeast wind around 3 mph.
Clear, with a low around 51.
Sunny, with a high near 76.
A slight chance of rain after 5am. Partly cloudy, with a low around 49.
A slight chance of rain before 11am. Partly sunny, with a high near 66.
Partly cloudy, with a low around 42.
A slight chance of rain after 5pm. Mostly sunny, with a high near 64.
Rain likely. Mostly cloudy, with a low around 46.
Rain likely. Mostly cloudy, with a high near 59.
A chance of rain. Mostly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Today
Oct 13
|
Mostly Sunny
|
65°F |
0 mph
|
|
Tonight
Oct 13
|
Partly Cloudy
|
45°F |
0 mph
|
|
Wednesday
Oct 14
|
Patchy Fog then Mostly Sunny
|
71°F |
1 mph
N
|
|
Wednesday Night
Oct 14
|
Mostly Clear then Patchy Fog
|
48°F |
2 mph
N
|
|
Thursday
Oct 15
|
Patchy Fog then Sunny
|
77°F |
3 mph
NNE
|
|
Thursday Night
Oct 15
|
Clear
|
51°F |
2 mph
NNE
|
|
Friday
Oct 16
|
Sunny
|
76°F |
0 mph
|
|
Friday Night
Oct 16
|
Partly Cloudy then Slight Chance Light Rain
|
49°F |
0 mph
|
|
Saturday
Oct 17
|
Slight Chance Light Rain then Partly Sunny
|
66°F |
0 mph
|
|
Saturday Night
Oct 17
|
Partly Cloudy
|
42°F |
0 mph
|
|
Sunday
Oct 18
|
Mostly Sunny then Slight Chance Light Rain
|
64°F |
0 mph
|
|
Sunday Night
Oct 18
|
Light Rain Likely
|
46°F |
1 mph
S
|
|
Monday
Oct 19
|
Light Rain Likely
|
59°F |
2 mph
SSW
|
|
Monday Night
Oct 19
|
Chance Light Rain
|
44°F |
2 mph
SW
|
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.
