Weather in Hamilton, WA
Updated 2026-09-26 07:00 local time · ZIP codes 98255
Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
47°36% rain
48°29% rain50°29% rain52°27% rain55°17% rain58°10% rain
60°2% rain
60°11% rain60°11% rain59°12% rain57°14% rain53°18% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
There is a moderate rain chance, peaking near 36%.
It feels like 44°F with winds near 3 mph.
60°F, 2% rain chance and 4 mph wind.
Visibility is around 6 mi; gusts may reach 17 mph.
Current temperature is 47°F, wind 3 mph, rain chance up to 36%.
UV index is 0.
Local weather characteristics in Hamilton
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.
Hamilton is part of the West weather region. The forecast point is near 48.52°N latitude and 121.99°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.
Hamilton weather today
Patchy rain nearby and 47°F in Hamilton, WA. Today's high is 60°F with a 57% rain chance. Winds are around 3 mph with gusts near 3 mph. Relative humidity is 93%, pressure is 30.16 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Hamilton
Sunrise is at 07:00 AM and sunset is at 06:58 PM. Tomorrow's forecast calls for Overcast with a high near 62°F and a low near 43°F. The maximum rain chance is 9%.