Rainier, WA Weather Forecast
Local 7-day forecast
Chance Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for Rainier, WA in one place.
A chance of rain before 5pm. Mostly cloudy, with a high near 55.
Local Weather Overview
This forecast page for Rainier, 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 9, 2026 2:22 PM PDT.
The active forecast window currently covers Apr 13 to Apr 15, 2026 for Rainier, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 13 to Apr 15, 2026
- Latest sync
- Apr 9, 2026 2:22 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Rainier
Monday looks like the warmest upcoming period in Rainier at 55 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 37 degrees F.
The strongest winds are forecast for Wednesday at about 8 to 12 mph SW.
Precipitation is mentioned in 5 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 9, 2026 2:22 PM PDT
- Coverage
- 4 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KLGX
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 41.
Rain likely after 11am. Mostly cloudy, with a high near 53.
Rain likely. Mostly cloudy, with a low around 41.
Rain likely. Mostly cloudy, with a high near 54.
A chance of rain. Partly cloudy, with a low around 37.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Monday
Apr 13
|
Chance Light Rain
|
55°F |
6 to 10 mph
SW
|
|
Monday Night
Apr 13
|
Mostly Cloudy
|
41°F |
5 to 10 mph
SW
|
|
Tuesday
Apr 14
|
Light Rain Likely
|
53°F |
5 to 10 mph
SW
|
|
Tuesday Night
Apr 14
|
Light Rain Likely
|
41°F |
9 mph
SSW
|
|
Wednesday
Apr 15
|
Light Rain Likely
|
54°F |
8 to 12 mph
SW
|
|
Wednesday Night
Apr 15
|
Chance Light Rain
|
37°F |
3 to 9 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rainier.
