National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Fri, Jul-10-2026 7:33am CDT
Cottage Grove
 
Today

Today: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Sunny
Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Sunny
Sunny
Thursday

Thursday: Sunny
Sunny
 
Hi 83 °F Hi 85 °F Hi 86 °F Hi 89 °F Hi 90 °F Hi 89 °F Hi 87 °F  
 
Tonight

Tonight: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Clear
Clear
Monday
Night
Monday Night: Clear
Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Mostly Clear
Mostly Clear
Thursday
Night
Thursday Night: Partly Cloudy then Slight Chance Showers And Thunderstorms
Partly Cloudy then Slight Chance Showers And T-Storms
 
Lo 61 °F Lo 62 °F Lo 65 °F Lo 68 °F Lo 70 °F Lo 67 °F Lo 67 °F  

 

Today
 
Mostly sunny, with a high near 83. East wind around 5 mph.
Tonight
 
Partly cloudy, with a low around 61. Northeast wind 0 to 5 mph.
Saturday
 
Sunny, with a high near 85. Northeast wind 0 to 5 mph.
Saturday Night
 
Mostly clear, with a low around 62. East wind 0 to 5 mph.
Sunday
 
Sunny, with a high near 86. Southeast wind 0 to 5 mph.
Sunday Night
 
Clear, with a low around 65. South wind around 0 mph.
Monday
 
Sunny, with a high near 89. Southwest wind 0 to 5 mph.
Monday Night
 
Clear, with a low around 68. Southwest wind 0 to 5 mph.
Tuesday
 
Sunny, with a high near 90.
Tuesday Night
 
Mostly clear, with a low around 70.
Wednesday
 
Sunny, with a high near 89.
Wednesday Night
 
Mostly clear, with a low around 67.
Thursday
 
Sunny, with a high near 87.
Thursday Night
 
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Chance of precipitation is 20%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.