| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Oct-14-2026 3:32pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly cloudy, with a high near 63. Northeast wind around 5 mph. |
| Tonight |
Mostly cloudy, with a low around 48. Northeast wind around 5 mph. |
| Thursday |
Rain showers after 11am. Cloudy, with a high near 57. East wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday Night |
Rain showers. Cloudy, with a low around 44. North wind 5 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible. |
| Friday |
A chance of rain showers. Partly sunny, with a high near 53. Northwest wind around 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of rain showers before 7pm, then widespread frost. Mostly clear, with a low around 32. North wind 0 to 20 mph. Chance of precipitation is 20%. |
| Saturday |
Widespread frost before 9am. Sunny, with a high near 56. West wind 0 to 10 mph. |
| Saturday Night |
Clear, with a low around 38. Southwest wind 5 to 15 mph. |
| Sunday |
Sunny, with a high near 63. |
| Sunday Night |
Mostly clear, with a low around 42. |
| Monday |
Mostly sunny, with a high near 66. |
| Monday Night |
Partly cloudy, with a low around 42. |
| Tuesday |
Sunny, with a high near 69. |
| Tuesday Night |
Mostly clear, with a low around 47. |
Forecast from NOAA-NWS for Cottage Grove, WI.