Weather in Onalaska, WA
Updated 2026-09-26 07:00 local time · ZIP codes 98570
Mist
No government weather alerts were returned for this location at the latest update.
Next hours
48°29% rain
46°20% rain
49°13% rain53°8% rain58°4% rain60°2% rain
62°9% rain63°9% rain63°10% rain63°10% rain62°10% rain60°11% 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 29%).
It feels like 46°F with winds near 2 mph.
60°F, 2% rain chance and 4 mph wind.
Visibility is around 1 mi; gusts may reach 16 mph.
Current temperature is 48°F, wind 2 mph, rain chance up to 29%.
UV index is 0.
Local weather characteristics in Onalaska
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.
Onalaska is part of the West weather region. The forecast point is near 46.58°N latitude and 122.72°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.
Onalaska weather today
Mist and 48°F in Onalaska, WA. Today's high is 63°F with a 18% rain chance. Winds are around 2 mph with gusts near 3 mph. Relative humidity is 94%, pressure is 30.16 inHg, and visibility is about 1 miles.
Tonight and tomorrow in Onalaska
Sunrise is at 07:03 AM and sunset is at 07:01 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 42°F. The maximum rain chance is 9%.