Mill Plain, WA Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Mill Plain, WA in one place.
Rain. Cloudy, with a high near 56. Chance of precipitation is 80%.
Local Weather Overview
This forecast page for Mill Plain, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Apr 20, 2026 12:32 AM PDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Mill Plain, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 12:32 AM PDT
- Forecast office
- PQR
- Source
- NOAA / NWS
Daily Outlook
This Week in Mill Plain
Friday looks like the warmest upcoming period in Mill Plain at 71 degrees F.
Thursday Night is the coolest period ahead with temperatures near 43 degrees F.
The strongest winds are forecast for Wednesday at about 7 to 13 mph SW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 12:32 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 before 11pm. Mostly cloudy, with a low around 45.
Mostly sunny, with a high near 65.
Mostly clear, with a low around 43.
Sunny, with a high near 71.
Mostly clear, with a low around 46.
Mostly sunny, with a high near 71.
Partly cloudy, with a low around 46.
Sunny, with a high near 70.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Light Rain
|
56°F |
7 to 13 mph
SW
|
|
Wednesday Night
Apr 22
|
Chance Light Rain then Mostly Cloudy
|
45°F |
5 to 10 mph
SSW
|
|
Thursday
Apr 23
|
Mostly Sunny
|
65°F |
3 to 7 mph
SW
|
|
Thursday Night
Apr 23
|
Mostly Clear
|
43°F |
2 to 7 mph
N
|
|
Friday
Apr 24
|
Sunny
|
71°F |
2 to 8 mph
N
|
|
Friday Night
Apr 24
|
Mostly Clear
|
46°F |
3 to 8 mph
NNE
|
|
Saturday
Apr 25
|
Mostly Sunny
|
71°F |
3 to 9 mph
NE
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
46°F |
3 to 9 mph
NE
|
|
Sunday
Apr 26
|
Sunny
|
70°F |
3 to 8 mph
NNE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Mill Plain.