Cottage Grove, WI Weather

64°F

Cottage Grove, WI

Updated: Jun-07-2026 3:32am

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

Updated: Sun, Jun-07-2026 2:37am CDT

Cottage Grove

	Sunday Partly Sunny	Monday Showers And T-Storms	Tuesday Chance Rain Showers then Mostly Sunny	Wednesday Chance Showers And T-Storms	Thursday Showers And T-Storms Likely then Slight Chance Showers And T-Storms	Friday Slight Chance Showers And T-Storms then Mostly Sunny	Saturday Chance Rain Showers then Slight Chance Showers And T-Storms
	Hi 83 °F	Hi 84 °F	Hi 89 °F	Hi 93 °F	Hi 86 °F	Hi 82 °F	Hi 80 °F

Overnight Partly Cloudy	Sunday Night Mostly Cloudy then Slight Chance Showers And T-Storms	Monday Night Showers And T-Storms	Tuesday Night Partly Cloudy then Chance Showers And T-Storms	Wednesday Night Slight Chance Showers And T-Storms then Showers And T-Storms Likely	Thursday Night Showers And T-Storms Likely then Chance Showers And T-Storms	Friday Night Chance Showers And T-Storms
Lo 60 °F	Lo 62 °F	Lo 65 °F	Lo 69 °F	Lo 70 °F	Lo 63 °F	Lo 61 °F

Overnight	Partly cloudy, with a low around 60. East wind around 5 mph.
Sunday	Partly sunny, with a high near 83. East wind 5 to 15 mph.
Sunday Night	A slight chance of showers and thunderstorms between 1am and 3am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East wind 5 to 10 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 10am, then a slight chance of showers and thunderstorms between 10am and noon, then showers and thunderstorms. Mostly cloudy, with a high near 84. Southeast wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night	Showers and thunderstorms. Mostly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday	A chance of rain showers before 7am. Mostly sunny, with a high near 89. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Tuesday Night	A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday	A chance of showers and thunderstorms. Mostly sunny, with a high near 93. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday Night	A slight chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 70%.
Thursday	Showers and thunderstorms likely before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm, then showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night	Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 60%.
Friday	A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 82. Chance of precipitation is 20%.
Friday Night	A chance of showers and thunderstorms after 7pm. Partly cloudy, 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 80. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Cottage Grove, WI.