| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Sep-24-2026 3:32am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Partly sunny, with a high near 67. East wind 0 to 5 mph. |
| Tonight |
A slight chance of rain showers after 1am. Mostly cloudy, with a low around 55. East wind 0 to 5 mph. Chance of precipitation is 20%. |
| Friday |
A slight chance of rain showers before 9am. Mostly cloudy, with a high near 67. East wind 0 to 5 mph. Chance of precipitation is 20%. |
| Friday Night |
Partly cloudy, with a low around 48. East wind 0 to 5 mph. |
| Saturday |
Partly sunny, with a high near 68. Southeast wind 0 to 5 mph. |
| Saturday Night |
Mostly cloudy, with a low around 50. Southeast wind 0 to 5 mph. |
| Sunday |
Partly sunny, with a high near 68. Southeast wind 0 to 5 mph. |
| Sunday Night |
Partly cloudy, with a low around 49. East wind around 0 mph. |
| Monday |
Mostly sunny, with a high near 69. |
| Monday Night |
Partly cloudy, with a low around 52. |
| Tuesday |
A chance of rain showers after 7am. Partly sunny, with a high near 69. Chance of precipitation is 40%. |
| Tuesday Night |
Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%. |
| Wednesday |
Rain showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%. |
| Wednesday Night |
A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.