| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Oct-03-2026 11:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Scattered rain showers before midnight. Partly cloudy, with a low around 49. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Sunny, with a high near 66. Northwest wind 5 to 10 mph. |
| Sunday Night |
Clear, with a low around 42. Northwest wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 63. Northwest wind 0 to 5 mph. |
| Monday Night |
Mostly clear, with a low around 44. South wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 72. South wind 5 to 15 mph, with gusts as high as 30 mph. |
| Tuesday Night |
Mostly clear, with a low around 51. West wind 5 to 15 mph. |
| Wednesday |
Sunny, with a high near 70. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 45. |
| Thursday |
Mostly sunny, with a high near 68. |
| Thursday Night |
Partly cloudy, with a low around 47. |
| Friday |
Mostly sunny, with a high near 68. |
| Friday Night |
Mostly clear, with a low around 49. |
| Saturday |
Sunny, with a high near 73. |
Forecast from NOAA-NWS for Cottage Grove, WI.