| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Sep-05-2026 9:07am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly sunny, with a high near 81. Northeast wind 5 to 10 mph. |
| Tonight |
Mostly clear, with a low around 59. Northeast wind 0 to 10 mph. |
| Sunday |
Mostly sunny, with a high near 80. East wind 0 to 5 mph. |
| Sunday Night |
Partly cloudy, with a low around 57. Southeast wind 0 to 5 mph. |
| Labor Day |
Mostly sunny, with a high near 80. Southeast wind 0 to 5 mph. |
| Monday Night |
Mostly cloudy, with a low around 61. Southeast wind 5 to 10 mph. |
| Tuesday |
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 85. South wind 10 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
Showers and thunderstorms likely after 7pm. Partly cloudy, with a low around 69. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Showers and thunderstorms likely before 7am. Mostly sunny, with a high near 83. Chance of precipitation is 60%. |
| Wednesday Night |
Partly cloudy, with a low around 60. |
| Thursday |
Mostly sunny, with a high near 78. |
| Thursday Night |
Partly cloudy, with a low around 58. |
| Friday |
Mostly sunny, with a high near 81. |
| Friday Night |
Partly cloudy, with a low around 61. |
Forecast from NOAA-NWS for Cottage Grove, WI.