Weather in Rainier, WA
Updated 2026-09-26 08:00 local time · ZIP codes 98576

Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
44°16% rain
49°11% rain
54°6% rain
58°3% rain
60°2% rain
62°7% rain
63°10% rain
63°10% rain
64°10% rain
62°10% rain
60°11% rain
56°13% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 16%).
It feels like 43°F with winds near 2 mph.
60°F, 2% rain chance and 3 mph wind.
Visibility is around 6 mi; gusts may reach 19 mph.
Current temperature is 44°F, wind 2 mph, rain chance up to 16%.
UV index is 0.
Local weather characteristics in Rainier
Washington has a mild, wetter marine climate west of the Cascades and a much drier interior climate east of the mountains. Terrain creates strong local rain, snow and temperature differences.
Rainier is part of the West weather region. The forecast point is near 46.89°N latitude and 122.69°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Rainier weather today
Sunny and 44°F in Rainier, WA. Today's high is 64°F with a 11% rain chance. Winds are around 2 mph with gusts near 7 mph. Relative humidity is 95%, pressure is 30.18 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Rainier
Sunrise is at 07:03 AM and sunset is at 07:01 PM. Tomorrow's forecast calls for Sunny with a high near 66°F and a low near 45°F. The maximum rain chance is 10%.