| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Aug-03-2026 7:02am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Patchy fog before 9am. Sunny, with a high near 81. Southeast wind 0 to 5 mph. |
| Tonight |
Mostly clear, with a low around 59. South wind 0 to 5 mph. |
| Tuesday |
Mostly sunny, with a high near 83. Southwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
Showers and thunderstorms. Mostly cloudy, with a low around 62. West wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday |
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 77. North wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts between three quarters and one inch possible. |
| Thursday |
A chance of rain showers before 7am. Mostly sunny, with a high near 80. North wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday Night |
Mostly clear, with a low around 58. South wind around 0 mph. |
| Friday |
Sunny, with a high near 83. |
| Friday Night |
Mostly clear, with a low around 62. |
| Saturday |
Mostly sunny, with a high near 85. |
| Saturday Night |
A slight chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. Chance of precipitation is 20%. |
| Sunday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 86. Chance of precipitation is 20%. |
| Sunday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.





