| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Jun-26-2026 12:32am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly cloudy, with a low around 57. East wind 0 to 5 mph. |
| Friday |
Partly sunny, with a high near 74. East wind 0 to 10 mph. |
| Friday Night |
Mostly clear, with a low around 52. East wind 0 to 10 mph. |
| Saturday |
Sunny, with a high near 79. East wind 5 to 10 mph. |
| Saturday Night |
A slight chance of rain showers after 1am. Partly cloudy, with a low around 59. Southeast wind 5 to 10 mph. Chance of precipitation is 20%. |
| Sunday |
A chance of rain showers before 1pm. Partly sunny, with a high near 84. Southeast wind 5 to 15 mph. Chance of precipitation is 40%. |
| Sunday Night |
Partly cloudy, with a low around 72. Southeast wind 10 to 15 mph. |
| Monday |
Mostly sunny, with a high near 91. South wind 10 to 15 mph. |
| Monday Night |
Partly cloudy, with a low around 75. |
| Tuesday |
A slight chance of showers and thunderstorms after 1pm. Sunny, with a high near 92. Chance of precipitation is 20%. |
| Tuesday Night |
A slight chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms. Partly cloudy, with a low around 74. Chance of precipitation is 30%. |
| Wednesday |
A chance of showers and thunderstorms before 7am, then a slight chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 30%. |
| Wednesday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 73. Chance of precipitation is 20%. |
| Thursday |
A slight chance of showers and thunderstorms before 7am. Mostly sunny, with a high near 92. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.