National Weather Service Forecast for: Green Bay WI
Issued by: National Weather Service Green Bay, WI
Updated: 2:09 pm CDT Jul 28, 2026
 
Tonight

Tonight: Mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 84. Light and variable wind.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 64. Light and variable wind.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 88. Heat index values as high as 91. Calm wind becoming southwest around 5 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 67. Light south wind.
Chance Rain

 Friday

Friday: A 50 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 84.
Slight Chance
Rain then
Chance Rain
 Friday
Night
Friday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Rain Likely

 Saturday

Saturday: A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Chance Rain

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 61.
Partly Cloudy
Lo 61 °F Hi 84 °F Lo 64 °F Hi 88 °F Lo 67 °F Hi 84 °F Lo 65 °F Hi 79 °F Lo 61 °F

 

Tonight
 
 Mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.
Wednesday
 
 Sunny, with a high near 84. Light and variable wind.
Wednesday Night
 
 Mostly clear, with a low around 64. Light and variable wind.
Thursday
 
 Sunny, with a high near 88. Heat index values as high as 91. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
 
 A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 67. Light south wind.
Friday
 
 A 50 percent chance of rain, mainly after 1pm. Mostly cloudy, with a high near 84.
Friday Night
 
 Rain likely and possibly a thunderstorm before 1am, then a chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Saturday
 
 A chance of rain, with thunderstorms also possible after 1pm. Partly sunny, with a high near 79. Chance of precipitation is 30%.
Saturday Night
 
 Partly cloudy, with a low around 61.
Sunday
 
 Mostly sunny, with a high near 78.
Sunday Night
 
 Mostly clear, with a low around 60.
Monday
 
 Sunny, with a high near 83.
Monday Night
 
 Mostly clear, with a low around 64.
Tuesday
 
 Sunny, with a high near 88.

 

Forecast from NOAA-NWS for Green Bay WI.