| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Mar-22-2026 3:33pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
A chance of rain showers after 4pm. Cloudy. High near 43, with temperatures falling to around 38 in the afternoon. North wind around 15 mph, with gusts as high as 25 mph. |
| Tonight |
Mostly cloudy, with a low around 26. North wind 10 to 15 mph. |
| Monday |
Sunny, with a high near 44. North wind 5 to 10 mph. |
| Monday Night |
Mostly cloudy, with a low around 30. Southeast wind 0 to 10 mph. |
| Tuesday |
Mostly cloudy, with a high near 55. Southwest wind 5 to 10 mph. |
| Tuesday Night |
Mostly cloudy, with a low around 37. South wind around 5 mph. |
| Wednesday |
Mostly cloudy, with a high near 59. South wind 5 to 10 mph. |
| Wednesday Night |
Mostly cloudy, with a low around 43. Southeast wind 5 to 10 mph. |
| Thursday |
A slight chance of rain after 7am. Mostly cloudy, with a high near 65. Chance of precipitation is 20%. |
| Thursday Night |
A slight chance of rain before 7pm. Mostly cloudy, with a low around 27. Chance of precipitation is 20%. |
| Friday |
Partly sunny, with a high near 42. |
| Friday Night |
Mostly clear, with a low around 26. |
| Saturday |
Sunny, with a high near 50. |
| Saturday Night |
Partly cloudy, with a low around 33. |
Forecast from NOAA-NWS for Cottage Grove, WI.