Cottage Grove, WI Weather

35°F

Cottage Grove, WI

Updated: Dec-24-2025 10:50am

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

Updated: Wed, Dec-24-2025 10:12am CST

Cottage Grove

Today Cloudy then Chance Light Rain	Christmas Day Mostly Cloudy	Friday Chance Rain then Cloudy	Saturday Mostly Cloudy	Sunday Partly Sunny then Slight Chance Light Snow	Monday Mostly Sunny	Tuesday Partly Sunny
Hi 41 °F	Hi 37 °F	Hi 44 °F	Hi 46 °F	Hi 34 °F	Hi 17 °F	Hi 23 °F

Tonight Chance Drizzle then Cloudy	Thursday Night Cloudy then Rain	Friday Night Mostly Cloudy	Saturday Night Slight Chance Light Rain	Sunday Night Mostly Cloudy	Monday Night Partly Cloudy	Tuesday Night Slight Chance Light Snow
Lo 31 °F	Lo 32 °F	Lo 33 °F	Lo 25 °F	Lo 6 °F	Lo 7 °F	Lo 11 °F

Today	A chance of rain between 3pm and 4pm, then a chance of drizzle. Cloudy, with a high near 41. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Tonight	A chance of drizzle before 11pm. Cloudy, with a low around 31. Northeast wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
Christmas Day	Mostly cloudy, with a high near 37. Northeast wind 10 to 15 mph.
Thursday Night	Rain after midnight. Cloudy, with a low around 32. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Friday	A chance of rain before noon. Cloudy, with a high near 44. West wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Friday Night	Mostly cloudy, with a low around 33. Southwest wind 0 to 5 mph.
Saturday	Mostly cloudy, with a high near 46. Southeast wind 5 to 10 mph.
Saturday Night	A slight chance of rain. Mostly cloudy. Low around 25, with temperatures rising to around 33 overnight. Southwest wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday	A slight chance of snow after noon. Partly sunny. High near 34, with temperatures falling to around 21 in the afternoon. Chance of precipitation is 20%.
Sunday Night	Mostly cloudy, with a low around 6.
Monday	Mostly sunny, with a high near 17.
Monday Night	Partly cloudy, with a low around 7.
Tuesday	Partly sunny, with a high near 23.
Tuesday Night	A slight chance of snow. Mostly cloudy, with a low around 11. Chance of precipitation is 20%.

Forecast from NOAA-NWS for Cottage Grove, WI.