| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, May-03-2026 5:05pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Sunny, with a high near 67. West wind around 5 mph. |
| Tonight |
Mostly clear, with a low around 45. Southwest wind around 5 mph. |
| Monday |
A slight chance of showers and thunderstorms between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 76. Southwest wind 5 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Monday Night |
A chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 42. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A slight chance of rain showers after 7am. Partly sunny, with a high near 56. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Tuesday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 36. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Wednesday |
Areas of frost before 7am. Mostly sunny, with a high near 55. Northwest wind 5 to 10 mph. |
| Wednesday Night |
Areas of frost after 3am. Mostly cloudy, with a low around 35. West wind 0 to 10 mph. |
| Thursday |
Areas of frost before 7am, then a chance of showers and thunderstorms. Mostly sunny, with a high near 57. Chance of precipitation is 30%. |
| Thursday Night |
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 37. Chance of precipitation is 30%. |
| Friday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 60. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 40. Chance of precipitation is 20%. |
| Saturday |
Mostly sunny, with a high near 66. |
| Saturday Night |
Partly cloudy, with a low around 45. |
Forecast from NOAA-NWS for Cottage Grove, WI.