National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Wed, Jul-08-2026 7:21am CDT
Cottage Grove
 
Today

Today: Partly Sunny then Slight Chance Showers And Thunderstorms
Partly Sunny then Slight Chance Showers And T-Storms
Thursday

Thursday: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Friday

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Mostly Sunny
Mostly Sunny
Sunday

Sunday: Sunny
Sunny
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Sunny
Sunny
 
Hi 88 °F Hi 81 °F Hi 82 °F Hi 84 °F Hi 86 °F Hi 89 °F Hi 90 °F  
 
Tonight

Tonight: Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
Chance Showers And T-Storms then Showers And T-Storms Likely
Thursday
Night
Thursday Night: Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms
Showers And T-Storms Likely then Slight Chance Showers And T-Storms
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
Saturday
Night
Saturday Night: Mostly Clear
Mostly Clear
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
 
Lo 68 °F Lo 62 °F Lo 61 °F Lo 63 °F Lo 66 °F Lo 69 °F Lo 69 °F  

 

Today
 
A slight chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Tonight
 
A chance of showers and thunderstorms before midnight, then showers and thunderstorms likely between midnight and 5am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday
 
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 81. Northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night
 
Showers and thunderstorms likely before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 62. Northeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Friday
 
Mostly sunny, with a high near 82. Northeast wind 0 to 5 mph.
Friday Night
 
Partly cloudy, with a low around 61. East wind 0 to 5 mph.
Saturday
 
Mostly sunny, with a high near 84. East wind 0 to 5 mph.
Saturday Night
 
Mostly clear, with a low around 63. Southeast wind 0 to 5 mph.
Sunday
 
Sunny, with a high near 86.
Sunday Night
 
Mostly clear, with a low around 66.
Monday
 
Sunny, with a high near 89.
Monday Night
 
Mostly clear, with a low around 69.
Tuesday
 
Sunny, with a high near 90.
Tuesday Night
 
Mostly clear, with a low around 69.

 

Forecast from NOAA-NWS for Cottage Grove, WI.