NWS Forecast for Waukesha WI

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

Updated: 3:26 am CST Feb 2, 2026

Overnight Areas Freezing Rain	Monday Patchy Freezing Rain then Partly Sunny	Monday Night Mostly Cloudy	Tuesday Sunny	Tuesday Night Mostly Clear	Wednesday Sunny	Wednesday Night Increasing Clouds	Thursday Mostly Cloudy	Thursday Night Chance Snow
Lo 18 °F	Hi 25 °F	Lo 10 °F	Hi 21 °F	Lo 5 °F	Hi 23 °F	Lo 9 °F	Hi 31 °F	Lo 28 °F

Special Weather Statement
Hazardous Weather Outlook

Overnight	Areas of freezing rain. Cloudy, with a low around 18. Southwest wind around 5 mph. Chance of precipitation is 30%.
Monday	Patchy freezing rain before 7am. Mostly cloudy, with a high near 25. Northwest wind 5 to 10 mph. Chance of precipitation is 30%.
Monday Night	Mostly cloudy, with a low around 10. West wind around 5 mph becoming calm in the evening.
Tuesday	Sunny, with a high near 21. Calm wind becoming north around 5 mph in the morning.
Tuesday Night	Mostly clear, with a low around 5. North wind around 5 mph becoming calm.
Wednesday	Sunny, with a high near 23. Calm wind becoming west around 5 mph.
Wednesday Night	Increasing clouds, with a low around 9. West wind around 5 mph becoming calm.
Thursday	Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.
Thursday Night	A 40 percent chance of snow. Mostly cloudy, with a low around 28.
Friday	A 20 percent chance of snow before noon. Partly sunny, with a high near 32.
Friday Night	Partly cloudy, with a low around 6.
Saturday	Mostly sunny, with a high near 21.
Saturday Night	A 20 percent chance of snow. Mostly cloudy, with a low around 13.
Sunday	Partly sunny, with a high near 26.

Forecast from NOAA-NWS for Waukesha WI.