| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Jun-21-2026 5:22pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Rain showers likely before 10pm. Mostly cloudy, with a low around 55. Northeast wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday |
Mostly sunny, with a high near 76. North wind 5 to 10 mph. |
| Monday Night |
Mostly clear, with a low around 51. East wind 0 to 5 mph. |
| Tuesday |
Mostly sunny, with a high near 77. Southeast wind 0 to 5 mph. |
| Tuesday Night |
Rain showers likely after 1am. Mostly cloudy, with a low around 57. South wind 0 to 5 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
Rain showers likely before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday Night |
Showers and thunderstorms likely before 1am. Partly cloudy, with a low around 57. West wind 0 to 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 75. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of rain showers before 7pm. Mostly clear, with a low around 55. Chance of precipitation is 20%. |
| Friday |
Mostly sunny, with a high near 77. |
| Friday Night |
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 57. Chance of precipitation is 20%. |
| Saturday |
A slight chance of rain showers. Mostly sunny, with a high near 79. Chance of precipitation is 20%. |
| Saturday Night |
A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 62. Chance of precipitation is 30%. |
| Sunday |
A chance of rain showers. Mostly sunny, with a high near 84. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.





