NWS Forecast for Waukesha WI

National Weather Service Forecast for: Waukesha WI
Issued by: National Weather Service Milwaukee, WI

Updated: 5:24 pm CDT Apr 10, 2025

Tonight Clearing Late	Friday Sunny	Friday Night Mostly Clear	Saturday Sunny	Saturday Night Mostly Cloudy	Sunday Chance Showers	Sunday Night Slight Chance Showers	Monday Slight Chance Showers and Breezy	Monday Night Mostly Cloudy
Lo 30 °F	Hi 51 °F	Lo 32 °F	Hi 59 °F	Lo 44 °F	Hi 63 °F	Lo 49 °F	Hi 59 °F	Lo 37 °F

Tonight	Cloudy, then gradual clearing toward daybreak, with a low around 30. East wind 5 to 10 mph becoming north after midnight.
Friday	Sunny, with a high near 51. North wind 5 to 10 mph.
Friday Night	Mostly clear, with a low around 32. Northeast wind around 5 mph becoming calm.
Saturday	Sunny, with a high near 59. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Saturday Night	Mostly cloudy, with a low around 44. South wind 5 to 10 mph.
Sunday	A 30 percent chance of showers, mainly after 1pm. Mostly cloudy, with a high near 63. South wind 10 to 15 mph.
Sunday Night	A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 49. South wind 5 to 10 mph becoming west after midnight.
Monday	A 20 percent chance of showers before 1pm. Partly sunny, with a high near 59. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Monday Night	Mostly cloudy, with a low around 37.
Tuesday	Partly sunny, with a high near 51.
Tuesday Night	Mostly clear, with a low around 29.
Wednesday	Sunny, with a high near 54.
Wednesday Night	A 20 percent chance of showers. Partly cloudy, with a low around 35.
Thursday	A 30 percent chance of showers. Partly sunny, with a high near 58.

Forecast from NOAA-NWS for Waukesha WI.