NWS Forecast for Green Bay WI

National Weather Service Forecast for: Green Bay WI
Issued by: National Weather Service Green Bay, WI

Updated: 6:26 am CST Dec 22, 2025

Today Snow then Chance Snow	Tonight Slight Chance Wintry Mix then Mostly Cloudy	Tuesday Partly Sunny	Tuesday Night Mostly Cloudy	Wednesday Cloudy	Wednesday Night Cloudy	Christmas Day Cloudy	Thursday Night Rain Likely	Friday Slight Chance Rain then Mostly Cloudy
Hi 34 °F	Lo 31 °F	Hi 38 °F	Lo 21 °F	Hi 37 °F	Lo 31 °F	Hi 39 °F	Lo 33 °F	Hi 38 °F

Special Weather Statement
Hazardous Weather Outlook

Today	Snow, mainly before 2pm. High near 34. Calm wind becoming south 5 to 7 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight	A slight chance of drizzle, snow, and freezing rain before 10pm, then a slight chance of freezing rain between 10pm and midnight. Mostly cloudy, with a steady temperature around 31. Calm wind becoming west southwest around 5 mph after midnight. Chance of precipitation is 20%.
Tuesday	Partly sunny, with a high near 38. West wind 3 to 8 mph.
Tuesday Night	Mostly cloudy, with a low around 21. West wind around 5 mph becoming calm in the evening.
Wednesday	Cloudy, with a high near 37. Calm wind becoming southeast around 6 mph.
Wednesday Night	Cloudy, with a low around 31.
Christmas Day	Cloudy, with a high near 39.
Thursday Night	Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Friday	A 20 percent chance of rain before noon. Mostly cloudy, with a high near 38.
Friday Night	Cloudy, with a low around 29.
Saturday	A 20 percent chance of rain. Mostly cloudy, with a high near 38.
Saturday Night	A 20 percent chance of rain. Mostly cloudy, with a low around 18.
Sunday	Mostly cloudy, with a high near 25.

Forecast from NOAA-NWS for Green Bay WI.