| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Jul-23-2026 1:21am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 52. Wind around 0 mph. |
| Thursday |
Mostly sunny, with a high near 78. West wind 0 to 5 mph. |
| Thursday Night |
Mostly cloudy, with a low around 57. Southwest wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 79. South wind 0 to 10 mph. |
| Friday Night |
Partly cloudy, with a low around 60. Southwest wind 5 to 10 mph. |
| Saturday |
Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 67. Southwest wind around 5 mph. |
| Sunday |
Mostly sunny, with a high near 91. Southwest wind around 5 mph. |
| Sunday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%. |
| Monday |
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 92. Chance of precipitation is 40%. |
| Monday Night |
Mostly clear, with a low around 67. |
| Tuesday |
Mostly sunny, with a high near 87. |
| Tuesday Night |
Mostly clear, with a low around 63. |
| Wednesday |
Sunny, with a high near 86. |
Forecast from NOAA-NWS for Cottage Grove, WI.