| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sun, Oct-25-2026 3:26am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 51. South wind around 5 mph. |
| Sunday |
Partly sunny, with a high near 73. Southwest wind around 5 mph. |
| Sunday Night |
Mostly cloudy, with a low around 48. North wind 0 to 5 mph. |
| Monday |
Mostly cloudy, with a high near 60. Northeast wind 5 to 10 mph. |
| Monday Night |
Mostly cloudy, with a low around 43. East wind 5 to 10 mph. |
| Tuesday |
Partly sunny, with a high near 68. Southeast wind 5 to 10 mph. |
| Tuesday Night |
Mostly cloudy, with a low around 51. South wind 5 to 10 mph. |
| Wednesday |
Mostly sunny, with a high near 72. South wind 10 to 15 mph. |
| Wednesday Night |
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 52. Chance of precipitation is 40%. |
| Thursday |
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 69. Chance of precipitation is 40%. |
| Thursday Night |
A slight chance of rain showers after 7pm. Partly cloudy, with a low around 50. Chance of precipitation is 20%. |
| Friday |
A chance of rain showers. Partly sunny, with a high near 72. Chance of precipitation is 30%. |
| Friday Night |
A chance of rain showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%. |
| Saturday |
A chance of rain showers. Mostly cloudy, with a high near 70. Chance of precipitation is 40%. |
Forecast from NOAA-NWS for Cottage Grove, WI.