| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Aug-10-2026 8:56am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny, with a high near 83. East wind 0 to 5 mph. |
| Tonight |
A chance of rain showers between 10pm and 2am. Mostly cloudy, with a low around 66. East wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
Patchy fog before 7am, then patchy fog and a chance of showers and thunderstorms between 7am and 10am, then showers and thunderstorms likely between 10am and 2pm, then a slight chance of showers and thunderstorms between 3pm and 4pm. Some of the storms could produce heavy rain. Mostly cloudy, with a high near 80. Southeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible. |
| Tuesday Night |
A slight chance of rain showers between 1am and 4am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Southeast wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 82. Southwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 63. North wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
A slight chance of rain showers between 7am and 1pm, then a chance of showers and thunderstorms. Mostly cloudy, with a high near 78. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 58. East wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Partly sunny, with a high near 76. Chance of precipitation is 20%. |
| Friday Night |
A chance of rain showers after 7pm. Mostly cloudy, with a low around 58. Chance of precipitation is 40%. |
| Saturday |
A chance of rain showers. Mostly cloudy, with a high near 76. Chance of precipitation is 40%. |
| Saturday Night |
A chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%. |
| Sunday |
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Partly sunny, with a high near 77. Chance of precipitation is 40%. |
| Sunday Night |
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 59. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.