| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Sep-29-2026 12:21pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Partly sunny, with a high near 74. South wind 5 to 10 mph. |
| Tonight |
Rain showers after 8pm. Cloudy, with a low around 61. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday |
Rain showers. Cloudy, with a high near 71. South wind around 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
Rain showers. Cloudy, with a low around 62. Southwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible. |
| Thursday |
Rain showers. Cloudy, with a high near 68. Northwest wind 0 to 5 mph. Chance of precipitation is 80%. New rainfall amounts between three quarters and one inch possible. |
| Thursday Night |
Rain showers likely. Mostly cloudy, with a low around 49. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Friday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 65. North wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
Mostly clear, with a low around 43. Northeast wind 0 to 5 mph. |
| Saturday |
Sunny, with a high near 65. |
| Saturday Night |
Partly cloudy, with a low around 47. |
| Sunday |
Mostly sunny, with a high near 65. |
| Sunday Night |
Mostly clear, with a low around 41. |
| Monday |
Sunny, with a high near 62. |
| Monday Night |
Mostly clear, with a low around 41. |
Forecast from NOAA-NWS for Cottage Grove, WI.





