National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sun, Jul-05-2026 2:32am CDT
Cottage Grove
 
  Sunday

Sunday: Mostly Cloudy
Mostly Cloudy
Monday

Monday: Sunny
Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

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

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

Friday: Mostly Sunny
Mostly Sunny
Saturday

Saturday: Mostly Sunny
Mostly Sunny
  Hi 81 °F Hi 82 °F Hi 85 °F Hi 85 °F Hi 82 °F Hi 81 °F Hi 83 °F
 
Overnight

Overnight: Patchy Fog
Patchy Fog
Sunday
Night
Sunday Night: Mostly Clear
Mostly Clear
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Partly Cloudy
Partly Cloudy
Wednesday
Night
Wednesday Night: Chance Showers And Thunderstorms
Chance Showers And T-Storms
Thursday
Night
Thursday Night: Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms
Chance Showers And T-Storms then Slight Chance Showers And T-Storms
Friday
Night
Friday Night: Partly Cloudy
Partly Cloudy
 
Lo 63 °F Lo 59 °F Lo 58 °F Lo 64 °F Lo 67 °F Lo 61 °F Lo 60 °F  

Special Weather Statement issued July 5 at 12:57AM CDT
 

Overnight
 
Patchy fog before 4am. Mostly cloudy, with a low around 63. North wind 0 to 5 mph.
Sunday
 
Mostly cloudy, with a high near 81. Northeast wind 5 to 10 mph.
Sunday Night
 
Mostly clear, with a low around 59. Northeast wind 0 to 5 mph.
Monday
 
Sunny, with a high near 82. Northeast wind around 5 mph.
Monday Night
 
Mostly clear, with a low around 58. Northeast wind 0 to 5 mph.
Tuesday
 
Mostly sunny, with a high near 85. West wind around 0 mph.
Tuesday Night
 
Partly cloudy, with a low around 64. South wind around 0 mph.
Wednesday
 
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night
 
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Thursday
 
Showers and thunderstorms likely. Mostly cloudy, with a high near 82. Chance of precipitation is 60%.
Thursday Night
 
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 1am. Mostly cloudy, with a low around 61. Chance of precipitation is 30%.
Friday
 
Mostly sunny, with a high near 81.
Friday Night
 
Partly cloudy, with a low around 60.
Saturday
 
Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Cottage Grove, WI.