Rainier, WA Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Rainier, WA in one place.
Partly sunny, with a high near 64.
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: May 27, 2026 11:41 PM PDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Rainier, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 11:41 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Rainier
Tuesday looks like the warmest upcoming period in Rainier at 86 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 9 mph WSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- May 27, 2026 11:41 PM PDT
- Coverage
- 5 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
Partly cloudy, with a low around 41.
Sunny, with a high near 69.
Mostly clear, with a low around 43.
Sunny, with a high near 79.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 86.
A slight chance of rain after 5am. Mostly cloudy, with a low around 56.
A slight chance of rain before 5pm. Mostly sunny, with a high near 81.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Partly Sunny
|
64°F |
3 to 8 mph
W
|
|
Saturday Night
May 30
|
Partly Cloudy
|
41°F |
1 to 9 mph
WSW
|
|
Sunday
May 31
|
Sunny
|
69°F |
1 to 7 mph
WNW
|
|
Sunday Night
May 31
|
Mostly Clear
|
43°F |
1 to 7 mph
N
|
|
Monday
Jun 1
|
Sunny
|
79°F |
1 to 8 mph
NE
|
|
Monday Night
Jun 1
|
Partly Cloudy
|
52°F |
1 to 7 mph
NE
|
|
Tuesday
Jun 2
|
Mostly Sunny
|
86°F |
1 to 6 mph
NNE
|
|
Tuesday Night
Jun 2
|
Mostly Cloudy then Slight Chance Light Rain
|
56°F |
1 to 6 mph
NE
|
|
Wednesday
Jun 3
|
Slight Chance Light Rain
|
81°F |
1 to 8 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Rainier.
