National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Mon, Jul-06-2026 6:16pm CDT
Cottage Grove
 
  Tuesday

Tuesday: Sunny
Sunny
Wednesday

Wednesday: Mostly Sunny
Mostly Sunny
Thursday

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

Friday: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Slight Chance Rain Showers then Mostly Sunny
Slight Chance Rain Showers then Mostly Sunny
Sunday

Sunday: Mostly Sunny
Mostly Sunny
Monday

Monday: Sunny
Sunny
  Hi 85 °F Hi 86 °F Hi 82 °F Hi 81 °F Hi 83 °F Hi 86 °F Hi 88 °F
 
Tonight

Tonight: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Mostly Clear
Mostly Clear
Wednesday
Night
Wednesday Night: Slight Chance Showers And Thunderstorms
Slight Chance Showers And T-Storms
Thursday
Night
Thursday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Friday
Night
Friday Night: Slight Chance Rain Showers
Slight Chance Rain Showers
Saturday
Night
Saturday Night: Partly Cloudy
Partly Cloudy
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
 
Lo 59 °F Lo 63 °F Lo 67 °F Lo 63 °F Lo 61 °F Lo 63 °F Lo 66 °F  

 

Tonight
 
Mostly clear, with a low around 59. Northeast wind 0 to 5 mph.
Tuesday
 
Sunny, with a high near 85. West wind 0 to 5 mph.
Tuesday Night
 
Mostly clear, with a low around 63. Southwest wind around 0 mph.
Wednesday
 
Mostly sunny, with a high near 86. Southwest wind 0 to 10 mph.
Wednesday Night
 
A slight chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Thursday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. West wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Thursday Night
 
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. North wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday
 
A chance of rain showers. Partly sunny, with a high near 81. Northeast wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
Friday Night
 
A slight chance of rain showers. Partly cloudy, with a low around 61. Chance of precipitation is 20%.
Saturday
 
A slight chance of rain showers before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 20%.
Saturday Night
 
Partly cloudy, with a low around 63.
Sunday
 
Mostly sunny, with a high near 86.
Sunday Night
 
Mostly clear, with a low around 66.
Monday
 
Sunny, with a high near 88.

 

Forecast from NOAA-NWS for Cottage Grove, WI.