| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, May-05-2026 9:32am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly sunny, with a high near 57. Northwest wind 10 to 15 mph. |
| Tonight |
Areas of frost after 4am. Partly cloudy, with a low around 35. Northwest wind 5 to 10 mph. |
| Wednesday |
Areas of frost before 7am. Mostly sunny, with a high near 54. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Areas of frost after 2am. Partly cloudy, with a low around 35. West wind 0 to 10 mph. |
| Thursday |
Areas of frost before 8am, then a slight chance of rain showers. Mostly sunny, with a high near 60. West wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 41. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Friday |
A chance of rain showers after 1pm. Partly sunny, with a high near 65. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A chance of rain showers before 1am. Partly cloudy, with a low around 42. West wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Sunny, with a high near 70. |
| Saturday Night |
A chance of rain showers after 7pm. Partly cloudy, with a low around 46. Chance of precipitation is 30%. |
| Sunday |
A chance of rain showers. Partly sunny, with a high near 63. Chance of precipitation is 30%. |
| Sunday Night |
A chance of rain showers before 7pm. Partly cloudy, with a low around 40. Chance of precipitation is 30%. |
| Monday |
Mostly sunny, with a high near 64. |
| Monday Night |
Partly cloudy, with a low around 43. |
Forecast from NOAA-NWS for Cottage Grove, WI.






