Weather in Thornton, WA
Updated 2026-09-26 07:00 local time · ZIP codes 99176
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
41°17% rain42°16% rain44°14% rain47°11% rain
49°8% rain
51°1% rain53°1% rain54°0% rain55°0% rain55°0% rain55°1% rain
53°3% 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 17%).
It feels like 34°F with winds near 11 mph.
55°F, 0% rain chance and 8 mph wind.
Visibility is around 6 mi; gusts may reach 25 mph.
Current temperature is 41°F, wind 11 mph, rain chance up to 17%.
UV index is 0.
Local weather characteristics in Thornton
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.
Thornton is part of the West weather region. The forecast point is near 47.12°N latitude and 117.39°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.
Thornton weather today
Overcast and 41°F in Thornton, WA. Today's high is 59°F with a 5% rain chance. Winds are around 11 mph with gusts near 25 mph. Relative humidity is 66%, pressure is 30.10 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Thornton
Sunrise is at 06:41 AM and sunset is at 06:39 PM. Tomorrow's forecast calls for Overcast with a high near 63°F and a low near 46°F. The maximum rain chance is 5%.