| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, May-27-2026 6:32pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Scattered showers and thunderstorms between 7pm and 11pm. Partly cloudy, with a low around 54. Northeast wind 0 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Sunny, with a high near 77. Northeast wind around 10 mph. |
| Thursday Night |
Mostly clear, with a low around 47. Southeast wind 0 to 10 mph. |
| Friday |
Sunny, with a high near 82. Southwest wind 0 to 5 mph. |
| Friday Night |
Mostly clear, with a low around 55. North wind around 0 mph. |
| Saturday |
Sunny, with a high near 81. East wind 0 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 51. East wind 5 to 10 mph. |
| Sunday |
Mostly sunny, with a high near 81. Southeast wind around 5 mph. |
| Sunday Night |
Partly cloudy, with a low around 54. |
| Monday |
Mostly sunny, with a high near 81. |
| Monday Night |
Mostly clear, with a low around 52. |
| Tuesday |
Sunny, with a high near 80. |
| Tuesday Night |
Mostly clear, with a low around 52. |
| Wednesday |
Sunny, with a high near 82. |
Forecast from NOAA-NWS for Cottage Grove, WI.