| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, May-29-2026 10:13am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny, with a high near 83. West wind around 0 mph. |
| Tonight |
Partly cloudy, with a low around 55. East wind 0 to 5 mph. |
| Saturday |
Partly sunny, with a high near 75. East wind 5 to 15 mph. |
| Saturday Night |
Mostly cloudy, with a low around 51. East wind 5 to 15 mph. |
| Sunday |
Mostly sunny, with a high near 78. Southeast wind around 5 mph. |
| Sunday Night |
Mostly cloudy, with a low around 52. South wind 0 to 5 mph. |
| Monday |
Mostly sunny, with a high near 82. Northeast wind 0 to 10 mph. |
| Monday Night |
Mostly clear, with a low around 52. East wind 0 to 10 mph. |
| Tuesday |
Sunny, with a high near 81. |
| Tuesday Night |
Mostly clear, with a low around 52. |
| Wednesday |
Sunny, with a high near 83. |
| Wednesday Night |
Partly cloudy, with a low around 57. |
| Thursday |
Mostly sunny, with a high near 86. |
| Thursday Night |
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 62. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.