| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Oct-13-2026 4:32pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 74. West wind around 5 mph. |
| Tonight |
A chance of rain showers between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a slight chance of showers and thunderstorms between 11pm and midnight. Mostly cloudy, with a low around 53. North wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Mostly cloudy, with a high near 66. Northeast wind 5 to 10 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 50. Northeast wind around 5 mph. |
| Thursday |
Rain showers. Cloudy, with a high near 61. East wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday Night |
Rain showers before 1am. Mostly cloudy, with a low around 43. Northwest wind 5 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday |
Mostly sunny, with a high near 55. Northwest wind 15 to 25 mph, with gusts as high as 35 mph. |
| Friday Night |
Widespread frost after 2am. Mostly clear, with a low around 32. Northwest wind 0 to 15 mph. |
| Saturday |
Widespread frost before 9am. Sunny, with a high near 58. |
| Saturday Night |
Clear, with a low around 39. |
| Sunday |
Sunny, with a high near 64. |
| Sunday Night |
Partly cloudy, with a low around 46. |
| Monday |
Partly sunny, with a high near 66. |
| Monday Night |
Partly cloudy, with a low around 44. |
Forecast from NOAA-NWS for Cottage Grove, WI.