Cottage Grove, WI Weather

74°F

Cottage Grove, WI

Updated: Jun-25-2026 12:53pm

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

Updated: Thu, Jun-25-2026 11:51am CDT

Cottage Grove

Today Partly Sunny then Slight Chance Showers And T-Storms	Friday Partly Sunny	Saturday Mostly Sunny	Sunday Slight Chance Rain Showers	Monday Mostly Sunny	Tuesday Mostly Sunny	Wednesday Chance Showers And T-Storms then Slight Chance Showers And T-Storms
Hi 74 °F	Hi 72 °F	Hi 79 °F	Hi 84 °F	Hi 92 °F	Hi 91 °F	Hi 91 °F

Tonight Slight Chance Showers And T-Storms then Mostly Cloudy	Friday Night Mostly Clear	Saturday Night Partly Cloudy then Slight Chance Rain Showers	Sunday Night Partly Cloudy	Monday Night Partly Cloudy	Tuesday Night Chance Showers And T-Storms	Wednesday Night Slight Chance Showers And T-Storms
Lo 55 °F	Lo 54 °F	Lo 59 °F	Lo 73 °F	Lo 75 °F	Lo 73 °F	Lo 72 °F

Today	A slight chance of showers and thunderstorms between 1pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 74. Northwest wind around 5 mph. Chance of precipitation is 30%.
Tonight	A slight chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 55. Northeast wind 0 to 5 mph. Chance of precipitation is 20%.
Friday	Partly sunny, with a high near 72. East wind 5 to 10 mph.
Friday Night	Mostly clear, with a low around 54. Northeast wind 0 to 10 mph.
Saturday	Mostly sunny, with a high near 79. East wind 5 to 10 mph.
Saturday Night	A slight chance of rain showers after 1am. Partly cloudy, with a low around 59. Southeast wind around 5 mph. Chance of precipitation is 20%.
Sunday	A slight chance of rain showers before 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 15 mph. Chance of precipitation is 20%.
Sunday Night	Partly cloudy, with a low around 73. South wind 10 to 15 mph.
Monday	Mostly sunny, with a high near 92.
Monday Night	Partly cloudy, with a low around 75.
Tuesday	Mostly sunny, with a high near 91.
Tuesday Night	A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Wednesday	A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%.
Wednesday Night	A slight chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Cottage Grove, WI.