| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Oct-03-2026 9:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 65. South wind around 10 mph. |
| Tonight |
A chance of rain showers between 11pm and 3am. Mostly cloudy, with a low around 49. Southwest wind around 5 mph. Chance of precipitation is 30%. |
| Sunday |
Sunny, with a high near 64. West wind 5 to 15 mph. |
| Sunday Night |
Mostly clear, with a low around 40. Northwest wind 5 to 10 mph. |
| Monday |
Sunny, with a high near 64. Northwest wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 41. Southwest wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 68. South wind 5 to 15 mph. |
| Tuesday Night |
Mostly clear, with a low around 49. Southwest wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 72. |
| Wednesday Night |
Mostly clear, with a low around 47. |
| Thursday |
Mostly sunny, with a high near 70. |
| Thursday Night |
Partly cloudy, with a low around 46. |
| Friday |
Sunny, with a high near 69. |
| Friday Night |
Mostly clear, with a low around 51. |
Forecast from NOAA-NWS for Cottage Grove, WI.