Cottage Grove, WI Weather

42°F

Cottage Grove, WI

Updated: Apr-10-2026 7:52am

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

Updated: Fri, Apr-10-2026 5:57am CDT

Cottage Grove

Today Partly Sunny	Saturday Mostly Sunny then Chance Rain Showers	Sunday Showers And T-Storms Likely then Chance Showers And T-Storms	Monday Partly Sunny then Slight Chance Showers And T-Storms	Tuesday Showers And T-Storms Likely	Wednesday Chance Rain Showers	Thursday Chance Rain Showers
Hi 53 °F	Hi 58 °F	Hi 72 °F	Hi 78 °F	Hi 79 °F	Hi 68 °F	Hi 75 °F

Tonight Mostly Clear	Saturday Night Showers And T-Storms	Sunday Night Showers And T-Storms	Monday Night Slight Chance Showers And T-Storms then Showers And T-Storms Likely	Tuesday Night Showers And T-Storms	Wednesday Night Chance Showers And T-Storms	Thursday Night Chance Showers And T-Storms
Lo 32 °F	Lo 46 °F	Lo 60 °F	Lo 61 °F	Lo 57 °F	Lo 49 °F	Lo 48 °F

Today	Partly sunny, with a high near 53. Northwest wind 5 to 10 mph. New rainfall amounts between a tenth and quarter of an inch possible.
Tonight	Mostly clear, with a low around 32. East wind around 5 mph.
Saturday	A chance of rain showers after 1pm. Mostly sunny, with a high near 58. Southeast wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Saturday Night	A chance of rain showers before 7pm, then showers and thunderstorms. Mostly cloudy. Low around 46, with temperatures rising to around 54 overnight. South wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday	Showers and thunderstorms likely before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers and thunderstorms. Mostly cloudy, with a high near 72. South wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night	Showers and thunderstorms before 1am. Mostly cloudy, with a low around 60. Southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
Monday	A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind around 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Monday Night	A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. South wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday	Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night	Showers and thunderstorms. Mostly cloudy, with a low around 57. Chance of precipitation is 80%.
Wednesday	A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Wednesday Night	A chance of showers and thunderstorms. Partly cloudy, with a low around 49. Chance of precipitation is 50%.
Thursday	A chance of rain showers. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Thursday Night	A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 48. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Cottage Grove, WI.