| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Sep-06-2026 10:56am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly sunny, with a high near 80. East wind around 5 mph. |
| Tonight |
Mostly clear, with a low around 57. East wind 0 to 5 mph. |
| Labor Day |
Mostly sunny, with a high near 78. Southeast wind 5 to 10 mph. |
| Monday Night |
Partly cloudy, with a low around 60. Southeast wind 5 to 10 mph. |
| Tuesday |
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84. South wind around 10 mph. Chance of precipitation is 20%. |
| Tuesday Night |
A chance of showers and thunderstorms before 10pm, then showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
Showers and thunderstorms before 7am. Partly sunny, with a high near 82. West wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday Night |
Partly cloudy, with a low around 58. West wind 5 to 10 mph. |
| Thursday |
Sunny, with a high near 77. |
| Thursday Night |
Mostly clear, with a low around 55. |
| Friday |
Sunny, with a high near 79. |
| Friday Night |
Mostly clear, with a low around 59. |
| Saturday |
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 80. Chance of precipitation is 20%. |
| Saturday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.