| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, May-12-2026 11:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly cloudy, with a low around 47. Northwest wind 5 to 10 mph, with gusts as high as 30 mph. |
| Wednesday |
Mostly sunny, with a high near 64. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. |
| Wednesday Night |
Mostly clear, with a low around 38. North wind 0 to 10 mph. |
| Thursday |
Sunny, with a high near 70. Southeast wind 0 to 10 mph. |
| Thursday Night |
A chance of rain showers after 1am. Mostly cloudy, with a low around 49. Southeast wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
A chance of rain showers. Mostly sunny, with a high near 79. South wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of rain showers before 7pm, then a slight chance of showers and thunderstorms. Mostly clear, with a low around 53. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Saturday |
A slight chance of rain showers before 7am, then a slight chance of showers and thunderstorms. Sunny, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Saturday Night |
A chance of showers and thunderstorms before 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 55. Chance of precipitation is 50%. |
| Sunday |
Showers and thunderstorms likely before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. Chance of precipitation is 60%. |
| Sunday Night |
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%. |
| Monday |
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%. |
| Monday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. |
| Tuesday |
A chance of rain showers. Partly sunny, with a high near 76. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.












