| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Oct-12-2026 4:32pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Columbus Day |
Mostly sunny, with a high near 86. South wind 10 to 15 mph. |
| Tonight |
Mostly clear, with a low around 65. Southwest wind around 10 mph. |
| Tuesday |
Sunny, with a high near 76. Northwest wind 5 to 15 mph. |
| Tuesday Night |
A chance of rain showers between 8pm and 2am. Mostly cloudy, with a low around 55. North wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Partly sunny, with a high near 67. Northeast wind around 5 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 48. Northeast wind around 5 mph. |
| Thursday |
Rain showers likely after 7am. Cloudy, with a high near 63. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday Night |
Rain showers likely before 1am. Mostly cloudy, with a low around 45. Northeast wind 0 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Friday |
Partly sunny, with a high near 56. |
| Friday Night |
Mostly clear, with a low around 32. |
| Saturday |
Sunny, with a high near 57. |
| Saturday Night |
Clear, with a low around 38. |
| Sunday |
Sunny, with a high near 62. |
| Sunday Night |
Partly cloudy, with a low around 45. |
Forecast from NOAA-NWS for Cottage Grove, WI.