Cottage Grove, WI Weather

61°F

Cottage Grove, WI

Updated: Oct-27-2026 9:15pm

Navigation

External Links

Alerts

Style Options

National Weather Service Forecast for: Cottage Grove, WI
Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI

Updated: Tue, Oct-27-2026 8:36pm CDT

Cottage Grove

	Wednesday Sunny	Thursday Mostly Sunny	Friday Partly Sunny then Slight Chance Rain Showers	Saturday Chance Rain Showers	Sunday Chance Rain Showers	Monday Chance Rain Showers	Tuesday Rain Showers Likely
	Hi 73 °F	Hi 68 °F	Hi 60 °F	Hi 62 °F	Hi 66 °F	Hi 65 °F	Hi 61 °F

Tonight Partly Cloudy	Wednesday Night Slight Chance Showers And T-Storms then Chance Showers And T-Storms	Thursday Night Mostly Clear	Friday Night Slight Chance Rain Showers	Saturday Night Chance Rain Showers	Sunday Night Slight Chance Rain Showers	Monday Night Chance Rain Showers
Lo 47 °F	Lo 57 °F	Lo 38 °F	Lo 44 °F	Lo 47 °F	Lo 48 °F	Lo 46 °F

Tonight	Partly cloudy, with a low around 47. South wind around 5 mph.
Wednesday	Sunny, with a high near 73. South wind 5 to 15 mph.
Wednesday Night	A slight chance of showers and thunderstorms between 11pm and midnight, then a chance of showers and thunderstorms. Partly cloudy, with a low around 57. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Thursday	Mostly sunny, with a high near 68. West wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Thursday Night	Mostly clear, with a low around 38. North wind 0 to 5 mph.
Friday	A slight chance of rain showers after 1pm. Partly sunny, with a high near 60. East wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Friday Night	A slight chance of rain showers. Mostly cloudy, with a low around 44. East wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Saturday	A chance of rain showers. Mostly cloudy, with a high near 62. East wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night	A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 40%.
Sunday	A chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Sunday Night	A slight chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 20%.
Monday	A chance of rain showers. Mostly cloudy, with a high near 65. Chance of precipitation is 50%.
Monday Night	A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 50%.
Tuesday	Rain showers likely. Mostly cloudy, with a high near 61. Chance of precipitation is 60%.

Forecast from NOAA-NWS for Cottage Grove, WI.