| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Nov-13-2026 4:02am CST | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 28. North wind around 10 mph. |
| Friday |
Mostly sunny. High near 42, with temperatures falling to around 37 in the afternoon. North wind 10 to 15 mph. |
| Friday Night |
Mostly clear, with a low around 26. North wind around 5 mph. |
| Saturday |
Sunny. High near 45, with temperatures falling to around 39 in the afternoon. Northwest wind 0 to 5 mph. |
| Saturday Night |
Mostly clear, with a low around 25. Northwest wind around 0 mph. |
| Sunday |
Sunny. High near 47, with temperatures falling to around 42 in the afternoon. Northwest wind 0 to 5 mph. |
| Sunday Night |
Clear, with a low around 25. West wind around 0 mph. |
| Monday |
Sunny. High near 49, with temperatures falling to around 44 in the afternoon. Southwest wind 0 to 10 mph. |
| Monday Night |
Clear, with a low around 26. |
| Tuesday |
Sunny. High near 53, with temperatures falling to around 48 in the afternoon. |
| Tuesday Night |
Mostly clear, with a low around 29. |
| Wednesday |
Mostly sunny, with a high near 55. |
| Wednesday Night |
A slight chance of rain after midnight. Partly cloudy, with a low around 38. Chance of precipitation is 20%. |
| Thursday |
A chance of rain. Partly sunny, with a high near 58. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.