| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Oct-11-2026 2:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 81. South wind around 10 mph. |
| Tonight |
Partly cloudy, with a low around 62. South wind 5 to 10 mph. |
| Columbus Day |
Mostly sunny, with a high near 84. Southwest wind 10 to 15 mph. |
| Monday Night |
Mostly clear, with a low around 66. Southwest wind around 10 mph. |
| Tuesday |
Sunny, with a high near 76. West wind 5 to 10 mph. |
| Tuesday Night |
A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 55. North wind 0 to 5 mph. Chance of precipitation is 20%. |
| Wednesday |
Partly sunny, with a high near 67. North wind 0 to 5 mph. |
| Wednesday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 49. Northeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Rain showers likely. Partly sunny, with a high near 64. Chance of precipitation is 60%. |
| Thursday Night |
Rain showers likely before 1am. Mostly cloudy, with a low around 45. Chance of precipitation is 60%. |
| Friday |
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 56. Chance of precipitation is 20%. |
| Friday Night |
Partly cloudy, with a low around 33. |
| Saturday |
Sunny, with a high near 53. |
| Saturday Night |
Mostly clear, with a low around 35. |
Forecast from NOAA-NWS for Cottage Grove, WI.