| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Aug-06-2026 8:42am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Mostly sunny, with a high near 81. East wind 0 to 5 mph. |
| Tonight |
Patchy fog after 4am. Partly cloudy, with a low around 63. South wind 0 to 5 mph. |
| Friday |
Patchy fog before 8am. Mostly sunny, with a high near 84. South wind 0 to 10 mph. |
| Friday Night |
A chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 64. West wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
Sunny, with a high near 82. Northwest wind around 5 mph. |
| Saturday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 83. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Sunday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65. Southwest wind 0 to 5 mph. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible. |
| Monday |
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Mostly cloudy, with a high near 83. Chance of precipitation is 70%. |
| Monday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%. |
| Tuesday |
A chance of rain showers before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 40%. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Chance of precipitation is 40%. |
| Wednesday |
A chance of rain showers before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 79. Chance of precipitation is 30%. |
| Wednesday Night |
A slight chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 59. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.