| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Oct-05-2026 1:21pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 65. Southeast wind around 0 mph. |
| Tonight |
Mostly clear, with a low around 47. Southeast wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 72. South wind 10 to 15 mph, with gusts as high as 30 mph. |
| Tuesday Night |
Partly cloudy, with a low around 53. Southwest wind 5 to 15 mph. |
| Wednesday |
Mostly sunny, with a high near 73. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 47. West wind around 5 mph. |
| Thursday |
Mostly sunny, with a high near 66. Northwest wind 5 to 10 mph. |
| Thursday Night |
Partly cloudy, with a low around 43. West wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 66. |
| Friday Night |
Mostly clear, with a low around 45. |
| Saturday |
Sunny, with a high near 71. |
| Saturday Night |
Mostly clear, with a low around 56. |
| Sunday |
Sunny, with a high near 74. |
| Sunday Night |
Partly cloudy, with a low around 52. |
Forecast from NOAA-NWS for Cottage Grove, WI.