| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Jul-10-2026 8:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly cloudy, with a low around 62. Northeast wind 0 to 5 mph. |
| Saturday |
Sunny, with a high near 85. Northeast wind 0 to 10 mph. |
| Saturday Night |
Clear, with a low around 62. East wind 0 to 5 mph. |
| Sunday |
Sunny, with a high near 86. East wind 0 to 5 mph. |
| Sunday Night |
Clear, with a low around 64. South wind around 0 mph. |
| Monday |
Sunny, with a high near 89. West wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 66. West wind around 0 mph. |
| Tuesday |
Sunny, with a high near 90. West wind 0 to 5 mph. |
| Tuesday Night |
Mostly clear, with a low around 69. |
| Wednesday |
Sunny, with a high near 89. |
| Wednesday Night |
Mostly clear, with a low around 67. |
| Thursday |
Mostly sunny, with a high near 87. |
| Thursday Night |
A chance of rain showers after 1am. Partly cloudy, with a low around 65. Chance of precipitation is 30%. |
| Friday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.