Cottage Grove, WI Weather

63°F

Cottage Grove, WI

Updated: Jun-14-2026 3:34am

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

Updated: Sun, Jun-14-2026 2:37am CDT

Cottage Grove

	Sunday Mostly Sunny	Monday Sunny	Tuesday Showers And T-Storms Likely	Wednesday Showers And T-Storms	Thursday Chance Rain Showers then Slight Chance Showers And T-Storms	Juneteenth Sunny	Saturday Slight Chance Rain Showers then Slight Chance Showers And T-Storms
	Hi 68 °F	Hi 74 °F	Hi 71 °F	Hi 69 °F	Hi 72 °F	Hi 76 °F	Hi 78 °F

Overnight Partly Cloudy	Sunday Night Mostly Clear	Monday Night Partly Cloudy then Slight Chance Rain Showers	Tuesday Night Showers And T-Storms Likely then Partly Cloudy	Wednesday Night Showers And T-Storms	Thursday Night Slight Chance Showers And T-Storms then Partly Cloudy	Friday Night Mostly Clear
Lo 55 °F	Lo 50 °F	Lo 55 °F	Lo 51 °F	Lo 56 °F	Lo 53 °F	Lo 55 °F

Overnight	Partly cloudy, with a low around 55. Northwest wind 5 to 10 mph.
Sunday	Mostly sunny, with a high near 68. Northwest wind 10 to 15 mph.
Sunday Night	Mostly clear, with a low around 50. West wind 0 to 10 mph.
Monday	Sunny, with a high near 74. West wind 5 to 10 mph.
Monday Night	A slight chance of rain showers after 1am. Partly cloudy, with a low around 55. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Tuesday	A chance of rain showers before 10am, then showers and thunderstorms likely. Partly sunny, with a high near 71. West wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night	Showers and thunderstorms likely before 7pm. Partly cloudy, with a low around 51. West wind 0 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
Wednesday	A chance of rain showers between 7am and 1pm, then showers and thunderstorms. Partly sunny, with a high near 69. South wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night	Showers and thunderstorms. Mostly cloudy, with a low around 56. Chance of precipitation is 80%.
Thursday	A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 72. Chance of precipitation is 40%.
Thursday Night	A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 53. Chance of precipitation is 20%.
Juneteenth	Sunny, with a high near 76.
Friday Night	Mostly clear, with a low around 55.
Saturday	A slight chance of rain showers between 7am and 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 20%.

Forecast from NOAA-NWS for Cottage Grove, WI.