| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Oct-22-2026 9:33pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 51. Southeast wind around 0 mph. |
| Friday |
Sunny, with a high near 74. Southeast wind 0 to 10 mph. |
| Friday Night |
Mostly cloudy, with a low around 52. Southeast wind around 5 mph. |
| Saturday |
Partly sunny, with a high near 71. South wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 52. South wind 5 to 10 mph. |
| Sunday |
Partly sunny, with a high near 70. Southwest wind around 5 mph. |
| Sunday Night |
Mostly cloudy, with a low around 49. North wind 0 to 5 mph. |
| Monday |
Mostly cloudy, with a high near 62. Northeast wind 5 to 10 mph. |
| Monday Night |
Mostly cloudy, with a low around 43. |
| Tuesday |
Partly sunny, with a high near 59. |
| Tuesday Night |
Mostly cloudy, with a low around 44. |
| Wednesday |
A slight chance of rain showers between 7am and 1pm. Partly sunny, with a high near 64. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of rain showers after 7pm. Mostly cloudy, with a low around 45. Chance of precipitation is 20%. |
| Thursday |
A slight chance of rain showers. Partly sunny, with a high near 61. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.