Weather in Waukesha, WI
Updated 2026-09-26 07:45 local time · ZIP codes 53186, 53188, 53189
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
54°29% rain
56°14% rain60°10% rain62°13% rain64°11% rain64°11% rain66°9% rain66°10% rain65°9% rain
63°7% rain62°11% rain
57°17% 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 27%).
It feels like 52°F with winds near 5 mph.
66°F, 9% rain chance and 6 mph wind.
Visibility is around 6 mi; gusts may reach 14 mph.
Current temperature is 54°F, wind 5 mph, rain chance up to 27%.
UV index is 0.
Local weather characteristics in Waukesha
Wisconsin has warm summers, cold winters and strong Great Lakes influence near Lakes Michigan and Superior. Lake-effect snow can be important in favored areas.
Waukesha is part of the Midwest weather region. The forecast point is near 43.01°N latitude and 88.23°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.
Waukesha weather today
Overcast and 54°F in Waukesha, WI. Today's high is 66°F with a 12% rain chance. Winds are around 5 mph with gusts near 14 mph. Relative humidity is 93%, pressure is 30.23 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Waukesha
Sunrise is at 06:44 AM and sunset is at 06:43 PM. Tomorrow's forecast calls for Overcast with a high near 69°F and a low near 52°F. The maximum rain chance is 8%.