National Weather Service Forecast for: Green Bay WI
Issued by: National Weather Service Green Bay, WI
Updated: 8:31 am CDT May 26, 2026
 
Today

Today: A slight chance of showers, then a chance of showers and thunderstorms after 4pm.  Sunny and hot, with a high near 90. West southwest wind 7 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph.  Chance of precipitation is 30%.
Sunny then
Chance
Showers
Tonight

Tonight: Showers and thunderstorms likely, mainly before 11pm.  Increasing clouds, with a low around 57. East wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Slight Chance
T-storms
Wednesday

Wednesday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Northeast wind 3 to 8 mph.
Decreasing
Clouds

Wednesday
Night
Wednesday Night: Clear, with a low around 50. North northeast wind 7 to 13 mph, with gusts as high as 24 mph.
Clear

Thursday

Thursday: Sunny, with a high near 73. Northeast wind 6 to 8 mph.
Sunny

Thursday
Night
Thursday Night: Mostly clear, with a low around 49.
Mostly Clear

Friday

Friday: Sunny, with a high near 81.
Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 54.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 73.
Sunny

Hi 90 °F Lo 57 °F Hi 79 °F Lo 50 °F Hi 73 °F Lo 49 °F Hi 81 °F Lo 54 °F Hi 73 °F

Hazardous Weather Outlook
 

Today
 
A slight chance of showers, then a chance of showers and thunderstorms after 4pm. Sunny and hot, with a high near 90. West southwest wind 7 to 9 mph becoming south southeast in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 30%.
Tonight
 
Showers and thunderstorms likely, mainly before 11pm. Increasing clouds, with a low around 57. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
Mostly cloudy, then gradually becoming sunny, with a high near 79. Northeast wind 3 to 8 mph.
Wednesday Night
 
Clear, with a low around 50. North northeast wind 7 to 13 mph, with gusts as high as 24 mph.
Thursday
 
Sunny, with a high near 73. Northeast wind 6 to 8 mph.
Thursday Night
 
Mostly clear, with a low around 49.
Friday
 
Sunny, with a high near 81.
Friday Night
 
Mostly clear, with a low around 54.
Saturday
 
Sunny, with a high near 73.
Saturday Night
 
Mostly clear, with a low around 51.
Sunday
 
Sunny, with a high near 76.
Sunday Night
 
Mostly clear, with a low around 53.
Monday
 
Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Green Bay WI.