| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Aug-25-2026 1:21pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 80. Southwest wind around 10 mph. |
| Tonight |
A chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 65. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Mostly sunny, with a high near 83. West wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
Mostly clear, with a low around 60. Northwest wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 81. Northwest wind around 5 mph. |
| Thursday Night |
Mostly clear, with a low around 57. North wind 0 to 5 mph. |
| Friday |
Sunny, with a high near 80. Southeast wind 0 to 5 mph. |
| Friday Night |
Partly cloudy, with a low around 59. South wind 0 to 5 mph. |
| Saturday |
Partly sunny, with a high near 81. |
| Saturday Night |
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 65. Chance of precipitation is 40%. |
| Sunday |
A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 84. Chance of precipitation is 40%. |
| Sunday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%. |
| Monday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 84. Chance of precipitation is 30%. |
| Monday Night |
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.