NWS Forecast for Brookfield WI

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

Updated: 6:08 pm CST Dec 22, 2025

Tonight Chance Drizzle	Tuesday Partly Sunny	Tuesday Night Partly Cloudy	Wednesday Mostly Cloudy	Wednesday Night Chance Rain then Mostly Cloudy	Christmas Day Mostly Cloudy	Thursday Night Slight Chance Rain then Rain Likely	Friday Slight Chance Rain then Mostly Cloudy	Friday Night Cloudy
Lo 36 °F	Hi 41 °F	Lo 26 °F	Hi 40 °F	Lo 34 °F	Hi 41 °F	Lo 38 °F	Hi 44 °F	Lo 34 °F

Hazardous Weather Outlook

Tonight	A chance of drizzle, mainly before 1am. Cloudy, with a low around 36. South wind 5 to 10 mph becoming west after midnight.
Tuesday	Partly sunny, with a high near 41. West wind 5 to 10 mph.
Tuesday Night	Partly cloudy, with a low around 26. West wind 5 to 10 mph becoming northeast after midnight.
Wednesday	Mostly cloudy, with a high near 40. East wind 5 to 10 mph becoming southeast in the afternoon.
Wednesday Night	A 30 percent chance of rain before midnight. Cloudy, with a low around 34. Southeast wind around 5 mph becoming calm.
Christmas Day	Mostly cloudy, with a high near 41. North wind 5 to 10 mph becoming east in the afternoon.
Thursday Night	Rain likely, mainly after midnight. Cloudy, with a low around 38. East wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday	A 20 percent chance of rain before noon. Cloudy, with a high near 44. East wind 5 to 10 mph becoming west in the morning.
Friday Night	Cloudy, with a low around 34.
Saturday	Mostly cloudy, with a high near 45.
Saturday Night	A 20 percent chance of rain. Mostly cloudy, with a low around 22. Blustery.
Sunday	Partly sunny, with a high near 28. Blustery.
Sunday Night	Partly cloudy, with a low around 11.
Monday	Mostly sunny, with a high near 24.

Forecast from NOAA-NWS for Brookfield WI.