| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: Sat, Mar-21-2026 3:52am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| Overnight |
Mostly cloudy, with a low around 37. East wind 0 to 5 mph. |
| Saturday |
Mostly sunny, with a high near 71. South wind 5 to 15 mph. |
| Saturday Night |
A slight chance of rain after 4am. Partly cloudy, with a low around 42. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. |
| Sunday |
A chance of rain before 1pm. Mostly cloudy, with a high near 44. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. |
| Sunday Night |
Partly cloudy, with a low around 25. North wind 5 to 15 mph. |
| Monday |
Sunny, with a high near 47. North wind 0 to 5 mph. |
| Monday Night |
Mostly cloudy, with a low around 32. Southeast wind 0 to 5 mph. |
| Tuesday |
Mostly cloudy, with a high near 56. Southwest wind around 10 mph. |
| Tuesday Night |
Mostly cloudy, with a low around 35. |
| Wednesday |
Mostly cloudy, with a high near 53. |
| Wednesday Night |
A slight chance of rain after 1am. Mostly cloudy, with a low around 41. Chance of precipitation is 20%. |
| Thursday |
A chance of rain. Partly sunny, with a high near 57. Chance of precipitation is 30%. |
| Thursday Night |
A slight chance of rain before 7pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%. |
| Friday |
Partly sunny, with a high near 44. |
Forecast from NOAA-NWS for Cottage Grove, WI.