| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: Thu, Oct-01-2026 6:26am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| Today |
Patchy fog and showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 66. North wind around 5 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible. |
| Tonight |
Mostly cloudy, with a low around 48. Northwest wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Sunny, with a high near 63. North wind 5 to 10 mph. |
| Friday Night |
Clear, with a low around 39. North wind 0 to 5 mph. |
| Saturday |
Sunny, with a high near 65. South wind 0 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 46. South wind around 5 mph. |
| Sunday |
Sunny, with a high near 68. West wind 5 to 10 mph. |
| Sunday Night |
Mostly clear, with a low around 40. Northwest wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 62. |
| Monday Night |
Clear, with a low around 39. |
| Tuesday |
Sunny, with a high near 64. |
| Tuesday Night |
Partly cloudy, with a low around 48. |
| Wednesday |
Mostly sunny, with a high near 70. |
| Wednesday Night |
Partly cloudy, with a low around 48. |
Forecast from NOAA-NWS for Cottage Grove, WI.