| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, May-14-2026 9:31am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
Sunny, with a high near 70. South wind 0 to 5 mph. |
| Tonight |
A chance of rain showers after 11pm. Mostly cloudy, with a low around 49. South wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 25 mph. New rainfall amounts less than a tenth of an inch possible. |
| Friday Night |
A slight chance of rain showers between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 56. South wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday |
A chance of showers and thunderstorms. Mostly sunny, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible. |
| Saturday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 52. Northwest wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A slight chance of rain showers before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 78. East wind 5 to 15 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Southeast wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Monday |
A chance of showers and thunderstorms before 7am, then showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 60%. |
| Monday Night |
Showers and thunderstorms likely. Mostly cloudy, with a low around 60. Chance of precipitation is 60%. |
| Tuesday |
Rain showers likely. Partly sunny, with a high near 77. Chance of precipitation is 60%. |
| Tuesday Night |
Rain showers likely. Mostly cloudy, with a low around 50. Chance of precipitation is 60%. |
| Wednesday |
A slight chance of rain showers before 7am. Partly sunny, with a high near 70. Chance of precipitation is 20%. |
| Wednesday Night |
Partly cloudy, with a low around 47. |
Forecast from NOAA-NWS for Cottage Grove, WI.











