| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Sep-26-2026 2:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 70. Southeast wind around 5 mph. |
| Tonight |
Mostly cloudy, with a low around 45. East wind 0 to 5 mph. |
| Sunday |
Partly sunny, with a high near 69. East wind around 0 mph. |
| Sunday Night |
Partly cloudy, with a low around 52. North wind around 0 mph. |
| Monday |
Mostly sunny, with a high near 72. Northeast wind around 0 mph. |
| Monday Night |
Partly cloudy, with a low around 50. Southeast wind around 0 mph. |
| Tuesday |
A slight chance of rain showers after 1pm. Partly sunny, with a high near 72. South wind 0 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
Rain showers likely. Mostly cloudy, with a low around 59. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday |
Rain showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 70%. |
| Wednesday Night |
Rain showers likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%. |
| Thursday |
Rain showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%. |
| Thursday Night |
A chance of rain showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%. |
| Friday |
A chance of rain showers. Partly sunny, with a high near 66. Chance of precipitation is 30%. |
| Friday Night |
A slight chance of rain showers. Partly cloudy, with a low around 50. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.