| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Jul-12-2026 12:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 88. East wind around 0 mph. |
| Tonight |
Clear, with a low around 67. Southwest wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 92. Heat index values as high as 96. West wind 5 to 10 mph. |
| Monday Night |
Mostly clear, with a low around 69. Heat index values as high as 96. West wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 95. West wind around 5 mph. |
| Tuesday Night |
Mostly clear, with a low around 71. West wind around 5 mph. |
| Wednesday |
Sunny, with a high near 94. Northwest wind around 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 67. Northeast wind 0 to 5 mph. |
| Thursday |
Sunny, with a high near 90. |
| Thursday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%. |
| Friday |
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 89. Chance of precipitation is 30%. |
| Friday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%. |
| Saturday |
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 89. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 67. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.