| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Oct-10-2026 1:21am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Partly cloudy, with a low around 54. Southeast wind around 5 mph. |
| Saturday |
Sunny, with a high near 81. South wind 10 to 15 mph. |
| Saturday Night |
Partly cloudy, with a low around 56. South wind 5 to 10 mph. |
| Sunday |
Sunny, with a high near 80. South wind 5 to 10 mph. |
| Sunday Night |
Partly cloudy, with a low around 61. South wind 5 to 10 mph. |
| Columbus Day |
Mostly sunny, with a high near 81. Southwest wind around 10 mph. |
| Monday Night |
A chance of showers and thunderstorms between 7pm and 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 57. North wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday |
A chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 67. North wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 48. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain showers. Mostly sunny, with a high near 65. Chance of precipitation is 20%. |
| Wednesday Night |
A chance of rain showers. Mostly cloudy, with a low around 48. Chance of precipitation is 50%. |
| Thursday |
A chance of rain showers. Partly sunny, with a high near 65. Chance of precipitation is 50%. |
| Thursday Night |
A chance of rain showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%. |
| Friday |
A chance of rain showers before 1pm. Partly sunny, with a high near 59. Chance of precipitation is 30%. |
Forecast from NOAA-NWS for Cottage Grove, WI.