National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sat, Jul-11-2026 11:16am CDT
Cottage Grove
 
Today

Today: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
Friday

Friday: Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Slight Chance Rain Showers then Slight Chance Showers And T-Storms
 
Hi 87 °F Hi 88 °F Hi 93 °F Hi 94 °F Hi 90 °F Hi 87 °F Hi 86 °F  
 
Tonight

Tonight: Clear
Clear
Sunday
Night
Sunday Night: Clear
Clear
Monday
Night
Monday Night: Clear
Clear
Tuesday
Night
Tuesday Night: Clear
Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy
Partly Cloudy
Friday
Night
Friday Night: Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms then Chance Showers And T-Storms
 
Lo 61 °F Lo 66 °F Lo 70 °F Lo 69 °F Lo 66 °F Lo 66 °F Lo 65 °F  

 

Today
 
Sunny, with a high near 87. Northeast wind around 5 mph.
Tonight
 
Clear, with a low around 61. Northeast wind 0 to 5 mph.
Sunday
 
Sunny, with a high near 88. West wind 0 to 5 mph.
Sunday Night
 
Clear, with a low around 66. Southwest wind 0 to 5 mph.
Monday
 
Sunny, with a high near 93. West wind 0 to 5 mph.
Monday Night
 
Clear, with a low around 70. West wind 0 to 5 mph.
Tuesday
 
Sunny, with a high near 94. West wind around 5 mph.
Tuesday Night
 
Clear, with a low around 69. West wind around 5 mph.
Wednesday
 
Sunny, with a high near 90.
Wednesday Night
 
Mostly clear, with a low around 66.
Thursday
 
Sunny, with a high near 87.
Thursday Night
 
Partly cloudy, with a low around 66.
Friday
 
A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%.
Friday Night
 
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.