Cottage Grove, WI Weather

48°F

Cottage Grove, WI

Updated: Oct-26-2026 6:54am

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

Updated: Mon, Oct-26-2026 4:26am CDT

Cottage Grove

Today Mostly Cloudy then Chance Rain Showers	Tuesday Partly Sunny	Wednesday Partly Sunny	Thursday Chance Showers And T-Storms	Friday Chance Rain Showers	Saturday Chance Rain Showers	Sunday Chance Rain Showers
Hi 59 °F	Hi 67 °F	Hi 72 °F	Hi 71 °F	Hi 68 °F	Hi 67 °F	Hi 68 °F

Tonight Mostly Cloudy	Tuesday Night Mostly Cloudy	Wednesday Night Mostly Cloudy then Chance Showers And T-Storms	Thursday Night Slight Chance Rain Showers	Friday Night Chance Rain Showers	Saturday Night Chance Rain Showers	Sunday Night Slight Chance Rain Showers
Lo 43 °F	Lo 52 °F	Lo 54 °F	Lo 48 °F	Lo 50 °F	Lo 50 °F	Lo 46 °F

Today	A chance of rain showers after 3pm. Mostly cloudy, with a high near 59. Northeast wind 5 to 10 mph.
Tonight	Mostly cloudy, with a low around 43. East wind 5 to 10 mph.
Tuesday	Partly sunny, with a high near 67. Southeast wind around 10 mph.
Tuesday Night	Mostly cloudy, with a low around 52. South wind 5 to 10 mph.
Wednesday	Partly sunny, with a high near 72. South wind 5 to 10 mph.
Wednesday Night	A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 54. South wind around 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Thursday	A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. West wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Thursday Night	A slight chance of rain showers. Partly cloudy, with a low around 48. Northwest wind 0 to 5 mph. Chance of precipitation is 20%.
Friday	A chance of rain showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Friday Night	A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Saturday	A chance of rain showers. Partly sunny, with a high near 67. Chance of precipitation is 50%.
Saturday Night	A chance of rain showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%.
Sunday	A chance of rain showers. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Sunday Night	A slight chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 20%.

Forecast from NOAA-NWS for Cottage Grove, WI.