| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Wed, Mar-25-2026 11:31pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Partly cloudy, with a low around 46. Southwest wind 0 to 5 mph. |
| Thursday |
Rain showers likely after noon. Partly sunny. High near 59, with temperatures falling to around 51 in the afternoon. Northeast wind 0 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday Night |
A chance of rain showers before 8pm. Mostly cloudy, with a low around 24. Northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Mostly sunny, with a high near 43. North wind 10 to 15 mph. |
| Friday Night |
Mostly clear, with a low around 23. Northwest wind 5 to 10 mph. |
| Saturday |
Mostly sunny, with a high near 49. Southwest wind 5 to 15 mph. |
| Saturday Night |
Partly cloudy, with a low around 35. Southwest wind around 10 mph. |
| Sunday |
Partly sunny, with a high near 61. South wind 10 to 15 mph. |
| Sunday Night |
Partly cloudy, with a low around 44. |
| Monday |
Mostly sunny, with a high near 66. |
| Monday Night |
A chance of rain and a slight chance of thunderstorms after 7pm. Mostly cloudy, with a low around 42. Chance of precipitation is 50%. |
| Tuesday |
A chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 63. Chance of precipitation is 50%. |
| Tuesday Night |
A chance of rain before 7pm, then a chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a low around 49. Chance of precipitation is 50%. |
| Wednesday |
A chance of rain and a slight chance of thunderstorms. Mostly cloudy, with a high near 63. Chance of precipitation is 50%. |
Forecast from NOAA-NWS for Cottage Grove, WI.