| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Jun-24-2026 11:52pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Areas of fog. Partly cloudy, with a low around 57. West wind around 5 mph. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday |
Areas of fog before 8am. Partly sunny, with a high near 75. Northwest wind 5 to 10 mph. |
| Thursday Night |
Mostly cloudy, with a low around 54. Northeast wind 0 to 5 mph. |
| Friday |
Partly sunny, with a high near 75. East wind 5 to 10 mph. |
| Friday Night |
Partly cloudy, with a low around 54. East wind 0 to 10 mph. |
| Saturday |
Mostly sunny, with a high near 80. East wind 5 to 10 mph. |
| Saturday Night |
A chance of rain showers after 1am. Partly cloudy, with a low around 62. Southeast wind 5 to 10 mph. Chance of precipitation is 30%. |
| Sunday |
A chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 86. Southeast wind 10 to 15 mph. Chance of precipitation is 30%. |
| Sunday Night |
Partly cloudy, with a low around 73. |
| Monday |
Mostly sunny, with a high near 92. |
| Monday Night |
Partly cloudy, with a low around 75. |
| Tuesday |
Mostly sunny, with a high near 93. |
| Tuesday Night |
A chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%. |
| Wednesday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.