National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI
Updated: Sun, Apr-05-2026 6:31am CDT
Cottage Grove
 
Today

Today: Partly Sunny
Partly Sunny
Monday

Monday: Partly Sunny
Partly Sunny
Tuesday

Tuesday: Mostly Sunny
Mostly Sunny
Wednesday

Wednesday: Chance Rain And Snow Showers
Chance Rain And Snow Showers
Thursday

Thursday: Chance Rain Showers
Chance Rain Showers
Friday

Friday: Chance Rain Showers
Chance Rain Showers
Saturday

Saturday: Chance Rain Showers
Chance Rain Showers
 
Hi 51 °F Hi 44 °F Hi 43 °F Hi 64 °F Hi 59 °F Hi 56 °F Hi 57 °F  
 
Tonight

Tonight: Chance Rain Showers
Chance Rain Showers
Monday
Night
Monday Night: Mostly Clear
Mostly Clear
Tuesday
Night
Tuesday Night: Chance Rain And Snow Showers
Chance Rain And Snow Showers
Wednesday
Night
Wednesday Night: Showers And Thunderstorms Likely
Showers And T-Storms Likely
Thursday
Night
Thursday Night: Chance Rain Showers
Chance Rain Showers
Friday
Night
Friday Night: Chance Rain Showers
Chance Rain Showers
Saturday
Night
Saturday Night: Rain Showers Likely
Rain Showers Likely
 
Lo 34 °F Lo 19 °F Lo 31 °F Lo 45 °F Lo 36 °F Lo 38 °F Lo 43 °F  

 

Today
 
Partly sunny, with a high near 51. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
 
A chance of rain showers between 8pm and 1am. Cloudy, with a low around 34. West wind 10 to 15 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Monday
 
Partly sunny, with a high near 44. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday Night
 
Mostly clear, with a low around 19. North wind 5 to 15 mph.
Tuesday
 
Mostly sunny, with a high near 43. East wind 0 to 5 mph.
Tuesday Night
 
A chance of rain and snow showers between 7pm and 4am, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. Southeast wind 5 to 15 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Wednesday
 
A chance of rain and snow showers. Mostly cloudy, with a high near 64. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 50%. New snow accumulation of less than half an inch possible.
Wednesday Night
 
A chance of rain showers before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 45. Southwest wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
 
A chance of rain showers. Partly sunny, with a high near 59. Chance of precipitation is 50%.
Thursday Night
 
A chance of rain showers. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
Friday
 
A chance of rain showers. Mostly cloudy, with a high near 56. Chance of precipitation is 50%.
Friday Night
 
A chance of rain showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
 
A chance of rain showers. Partly sunny, with a high near 57. Chance of precipitation is 40%.
Saturday Night
 
Rain showers likely. Mostly cloudy, with a low around 43. Chance of precipitation is 60%.

 

Forecast from NOAA-NWS for Cottage Grove, WI.