| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Oct-04-2026 11:12am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 66. Northwest wind 10 to 15 mph. |
| Tonight |
Clear, with a low around 41. Northwest wind around 5 mph. |
| Monday |
Sunny, with a high near 64. Northwest wind around 0 mph. |
| Monday Night |
Mostly clear, with a low around 46. South wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 70. South wind 10 to 15 mph, with gusts as high as 25 mph. |
| Tuesday Night |
Mostly clear, with a low around 52. West wind 5 to 15 mph. |
| Wednesday |
Mostly sunny, with a high near 71. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 46. West wind 5 to 10 mph. |
| Thursday |
Mostly sunny, with a high near 67. |
| Thursday Night |
Partly cloudy, with a low around 46. |
| Friday |
Mostly sunny, with a high near 67. |
| Friday Night |
Mostly clear, with a low around 48. |
| Saturday |
Sunny, with a high near 71. |
| Saturday Night |
Mostly clear, with a low around 54. |
Forecast from NOAA-NWS for Cottage Grove, WI.