| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jun-23-2026 8:37am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny, with a high near 76. South wind around 0 mph. |
| Tonight |
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 58. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
Showers and thunderstorms before 2pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms before 10pm. Partly cloudy, with a low around 56. West wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Mostly sunny, with a high near 75. Northwest wind around 5 mph. |
| Thursday Night |
Partly cloudy, with a low around 54. Northeast wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 76. East wind around 5 mph. |
| Friday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 56. East wind 0 to 5 mph. Chance of precipitation is 20%. |
| Saturday |
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 80. Chance of precipitation is 20%. |
| Saturday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 40%. |
| Sunday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 86. Chance of precipitation is 40%. |
| Sunday Night |
A slight chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 20%. |
| Monday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Chance of precipitation is 20%. |
| Monday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.