Weather in Onalaska, WI
Updated 2026-08-11 10:15 local time · ZIP codes 54650

Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
76°25% rain
80°12% rain
81°12% rain
82°10% rain
87°7% rain
87°6% rain
87°5% rain
87°4% rain
85°4% rain
84°6% rain
80°7% rain
78°8% rain3-day weather forecast



Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 25%).
It feels like 82°F with winds near 6 mph.
80°F, 7% rain chance and 1 mph wind.
Visibility is around 6 mi; gusts may reach 7 mph.
Current temperature is 76°F, wind 6 mph, rain chance up to 25%.
UV index is 2.
Onalaska weather today
Patchy rain nearby and 76°F in Onalaska, WI. Today's high is 87°F with a 12% rain chance. Winds are around 6 mph with gusts near 7 mph. Relative humidity is 86%, pressure is 29.85 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Onalaska
Sunrise is at 06:04 AM and sunset is at 08:15 PM. Tomorrow's forecast calls for Sunny with a high near 90°F and a low near 66°F. The maximum rain chance is 7%.