Cottage Grove, WI Weather

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Cottage Grove, WI

Updated: Aug-13-2025 1:54am

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

Updated: Wed, Aug-13-2025 1:28am CDT

Cottage Grove

	Wednesday Patchy Fog then Sunny	Thursday Sunny	Friday Sunny	Saturday Slight Chance Showers And T-Storms	Sunday Chance Showers And T-Storms	Monday Chance Showers And T-Storms	Tuesday Chance Showers And T-Storms
	Hi 79 °F	Hi 80 °F	Hi 83 °F	Hi 89 °F	Hi 86 °F	Hi 81 °F	Hi 79 °F

Overnight Patchy Fog	Wednesday Night Mostly Clear	Thursday Night Mostly Clear	Friday Night Mostly Clear then Slight Chance Showers And T-Storms	Saturday Night Chance Showers And T-Storms	Sunday Night Chance Showers And T-Storms	Monday Night Chance Showers And T-Storms
Lo 59 °F	Lo 59 °F	Lo 60 °F	Lo 68 °F	Lo 70 °F	Lo 66 °F	Lo 63 °F

Overnight	Patchy fog after 5am. Clear, with a low around 59. Northwest wind around 5 mph.
Wednesday	Patchy fog before 9am. Sunny, with a high near 79. Northwest wind around 5 mph.
Wednesday Night	Mostly clear, with a low around 59. North wind 0 to 5 mph.
Thursday	Sunny, with a high near 80. East wind 0 to 5 mph.
Thursday Night	Mostly clear, with a low around 60. Southeast wind around 5 mph.
Friday	Sunny, with a high near 83. South wind 5 to 10 mph.
Friday Night	A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 68. South wind around 5 mph. Chance of precipitation is 20%.
Saturday	A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night	A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%.
Sunday	A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Sunday Night	A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Monday	A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%.
Monday Night	A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 63. Chance of precipitation is 40%.
Tuesday	A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%.

Forecast from NOAA-NWS for Cottage Grove, WI.