| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jul-28-2026 5:12pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 59. East wind 0 to 5 mph. |
| Wednesday |
Sunny, with a high near 84. Southwest wind around 0 mph. |
| Wednesday Night |
Mostly clear, with a low around 63. Southwest wind around 0 mph. |
| Thursday |
Mostly sunny, with a high near 86. West wind 0 to 5 mph. |
| Thursday Night |
Mostly cloudy, with a low around 65. Southwest wind around 5 mph. |
| Friday |
A chance of rain showers between 7am and 1pm, then showers and thunderstorms likely. Mostly cloudy, with a high near 80. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 64. East wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between 1 and 2 inches possible. |
| Saturday |
Showers and thunderstorms likely before 1pm, then a slight chance of showers and thunderstorms. Mostly cloudy, with a high near 80. Northeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Saturday Night |
A slight chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 61. Chance of precipitation is 20%. |
| Sunday |
Mostly sunny, with a high near 81. |
| Sunday Night |
Mostly clear, with a low around 59. |
| Monday |
Sunny, with a high near 84. |
| Monday Night |
Mostly clear, with a low around 62. |
| Tuesday |
Sunny, with a high near 87. |
Forecast from NOAA-NWS for Cottage Grove, WI.