Cottage Grove, WI Weather

64°F

Cottage Grove, WI

Updated: Jun-08-2026 3:33am

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

Updated: Mon, Jun-08-2026 2:37am CDT

Cottage Grove

	Monday Chance Showers And T-Storms then Showers And T-Storms	Tuesday Partly Sunny	Wednesday Showers And T-Storms Likely then Chance Showers And T-Storms	Thursday Chance Showers And T-Storms then Showers And T-Storms Likely	Friday Sunny	Saturday Chance Rain Showers then Slight Chance Showers And T-Storms	Sunday Chance Showers And T-Storms then Slight Chance Showers And T-Storms
	Hi 82 °F	Hi 86 °F	Hi 91 °F	Hi 84 °F	Hi 84 °F	Hi 82 °F	Hi 78 °F

Overnight Chance Showers And T-Storms	Monday Night Showers And T-Storms	Tuesday Night Partly Cloudy then Showers And T-Storms Likely	Wednesday Night Chance Showers And T-Storms then Showers And T-Storms	Thursday Night Showers And T-Storms Likely	Friday Night Chance Showers And T-Storms	Saturday Night Chance Showers And T-Storms
Lo 63 °F	Lo 65 °F	Lo 67 °F	Lo 67 °F	Lo 60 °F	Lo 61 °F	Lo 59 °F

Overnight	A chance of showers and thunderstorms before 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Southeast wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Monday	A chance of showers and thunderstorms before 11am, then showers and thunderstorms. Mostly cloudy, with a high near 82. Southeast wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Monday Night	Showers and thunderstorms before 3am, then a slight chance of showers and thunderstorms between 3am and 4am. Mostly cloudy, with a low around 65. Southeast wind 0 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tuesday	Partly sunny, with a high near 86. Northwest wind 0 to 5 mph. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night	Showers and thunderstorms likely after 1am. Partly cloudy, with a low around 67. East wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Wednesday	Showers and thunderstorms likely before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 91. South wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Wednesday Night	A chance of showers and thunderstorms before 7pm, then showers and thunderstorms. Mostly cloudy, with a low around 67. Southwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday	A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly sunny, with a high near 84. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night	Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday	Sunny, with a high near 84.
Friday Night	A chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 61. Chance of precipitation is 30%.
Saturday	A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
Saturday Night	A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 40%.
Sunday	A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 78. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Cottage Grove, WI.