| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Oct-29-2026 12:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 64. Northwest wind around 10 mph. |
| Tonight |
Clear, with a low around 36. Northwest wind around 5 mph. |
| Friday |
Partly sunny, with a high near 57. Northeast wind around 5 mph. |
| Friday Night |
A chance of rain showers after 8pm. Mostly cloudy, with a low around 45. East wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Rain showers likely. Mostly cloudy, with a high near 58. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday Night |
A chance of rain showers before 7pm. Mostly cloudy, with a low around 46. Southeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
Partly sunny, with a high near 66. Southeast wind 0 to 5 mph. |
| Sunday Night |
Partly cloudy, with a low around 50. Southeast wind 0 to 5 mph. |
| Monday |
A chance of rain showers. Mostly cloudy, with a high near 66. Chance of precipitation is 50%. |
| Monday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%. |
| Tuesday |
Rain showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 70%. |
| Tuesday Night |
Rain showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 60%. |
| Wednesday |
Rain showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%. |
| Wednesday Night |
A chance of rain showers. Mostly cloudy, with a low around 47. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.