| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Jun-03-2026 4:33am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 50. South wind around 0 mph. |
| Wednesday |
Mostly sunny, with a high near 82. South wind 0 to 5 mph. |
| Wednesday Night |
Partly cloudy, with a low around 56. South wind around 5 mph. |
| Thursday |
Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph. |
| Thursday Night |
Showers and thunderstorms likely after 7pm. Mostly cloudy, with a low around 64. Southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Showers and thunderstorms. Mostly cloudy, with a high near 82. Southwest wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Saturday |
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 84. Northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Saturday Night |
A chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 59. Chance of precipitation is 30%. |
| Sunday |
Mostly sunny, with a high near 84. |
| Sunday Night |
Partly cloudy, with a low around 59. |
| Monday |
Mostly sunny, with a high near 86. |
| Monday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
| Tuesday |
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.