| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Oct-16-2026 11:26pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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Freeze Warning issued October 16 at 11:25PM CDT until October 17 at 9:00AM CDT
Freeze Warning issued October 16 at 6:56PM CDT until October 17 at 9:00AM CDT
| Tonight |
Widespread frost after midnight. Clear, with a low around 31. Northwest wind 0 to 5 mph. |
| Saturday |
Widespread frost before 9am. Sunny, with a high near 56. Southwest wind 0 to 15 mph. |
| Saturday Night |
Clear, with a low around 39. Southwest wind 10 to 15 mph. |
| Sunday |
Sunny, with a high near 62. Southwest wind around 15 mph, with gusts as high as 30 mph. |
| Sunday Night |
Clear, with a low around 39. Southwest wind 5 to 15 mph. |
| Monday |
Sunny, with a high near 66. South wind around 5 mph. |
| Monday Night |
Mostly clear, with a low around 41. South wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 68. Southeast wind 0 to 5 mph. |
| Tuesday Night |
Mostly clear, with a low around 44. |
| Wednesday |
Mostly sunny, with a high near 70. |
| Wednesday Night |
Partly cloudy, with a low around 49. |
| Thursday |
Mostly sunny. High near 73, with temperatures falling to around 68 in the afternoon. |
| Thursday Night |
Partly cloudy, with a low around 50. |
| Friday |
Mostly sunny, with a high near 72. |
Forecast from NOAA-NWS for Cottage Grove, WI.