| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Oct-06-2026 3:26pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 73. Southwest wind around 15 mph, with gusts as high as 30 mph. |
| Tonight |
Mostly clear, with a low around 52. West wind 5 to 15 mph. |
| Wednesday |
Sunny, with a high near 73. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 49. West wind 5 to 10 mph. |
| Thursday |
Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 46. West wind 0 to 5 mph. |
| Friday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 69. South wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of rain showers before 7pm. Mostly clear, with a low around 54. South wind 5 to 15 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Sunny, with a high near 78. |
| Saturday Night |
Mostly clear, with a low around 58. |
| Sunday |
Mostly sunny, with a high near 77. |
| Sunday Night |
Partly cloudy, with a low around 53. |
| Columbus Day |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 73. Chance of precipitation is 20%. |
| Monday Night |
A chance of rain showers. Mostly cloudy, with a low around 52. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.