| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Aug-29-2026 7:33am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Rain showers. Cloudy, with a high near 73. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible. |
| Tonight |
A chance of rain showers before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 66. South wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A chance of showers and thunderstorms before 10am. Partly sunny, with a high near 85. Southwest wind 10 to 15 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70. South wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Monday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. South wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
A slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms after 7pm. Mostly cloudy, with a low around 69. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Wednesday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 50%. |
| Wednesday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 30%. |
| Thursday |
A chance of rain showers before 1pm. Mostly sunny, with a high near 84. Chance of precipitation is 30%. |
| Thursday Night |
A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 65. Chance of precipitation is 30%. |
| Friday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 84. Chance of precipitation is 30%. |
| Friday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 63. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.