| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: Mon, Sep-21-2026 8:36am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| Today |
Cloudy, with a high near 62. Northeast wind around 15 mph. |
| Tonight |
Scattered rain showers between 7pm and 5am. Mostly cloudy, with a low around 48. Northeast wind 5 to 10 mph. |
| Tuesday |
Partly sunny, with a high near 62. Northeast wind 5 to 15 mph. |
| Tuesday Night |
Mostly clear, with a low around 45. Northeast wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 65. Northeast wind 5 to 10 mph. |
| Wednesday Night |
Mostly clear, with a low around 46. Northeast wind 0 to 5 mph. |
| Thursday |
Mostly sunny, with a high near 65. East wind 0 to 5 mph. |
| Thursday Night |
Partly cloudy, with a low around 47. Northeast wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 67. |
| Friday Night |
Partly cloudy, with a low around 47. |
| Saturday |
Partly sunny, with a high near 66. |
| Saturday Night |
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 50. Chance of precipitation is 20%. |
| Sunday |
A slight chance of rain showers before 1pm. Partly sunny, with a high near 69. Chance of precipitation is 20%. |
| Sunday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 53. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.