| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Oct-02-2026 6:41am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 62. North wind 5 to 10 mph. |
| Tonight |
Clear, with a low around 39. North wind 0 to 5 mph. |
| Saturday |
Patchy fog before 8am. Sunny, with a high near 66. Southeast wind 0 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 48. South wind around 5 mph. |
| Sunday |
Sunny, with a high near 67. West wind 5 to 10 mph. |
| Sunday Night |
Clear, with a low around 40. Northwest wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 63. North wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 40. Southeast wind around 0 mph. |
| Tuesday |
Sunny, with a high near 66. |
| Tuesday Night |
Mostly clear, with a low around 49. |
| Wednesday |
Mostly sunny, with a high near 71. |
| Wednesday Night |
Partly cloudy, with a low around 48. |
| Thursday |
Mostly sunny, with a high near 71. |
| Thursday Night |
Partly cloudy, with a low around 49. |
Forecast from NOAA-NWS for Cottage Grove, WI.