Weather in Tumtum, WA
Updated 2026-09-26 07:00 local time · ZIP codes 99034
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
42°16% rain40°14% rain
44°5% rain
47°2% rain49°1% rain52°1% rain53°1% rain55°1% rain56°0% rain56°0% rain55°0% rain55°9% 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 36°F with winds near 9 mph.
56°F, 0% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 21 mph.
Current temperature is 42°F, wind 9 mph, rain chance up to 16%.
UV index is 0.
Local weather characteristics in Tumtum
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.
Tumtum is part of the West weather region. The forecast point is near 47.89°N latitude and 117.68°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.
Tumtum weather today
Overcast and 42°F in Tumtum, WA. Today's high is 57°F with a 4% rain chance. Winds are around 9 mph with gusts near 21 mph. Relative humidity is 64%, pressure is 30.10 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Tumtum
Sunrise is at 06:43 AM and sunset is at 06:41 PM. Tomorrow's forecast calls for Overcast with a high near 60°F and a low near 42°F. The maximum rain chance is 5%.