| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Sat, Jun-27-2026 1:12am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Mostly clear, with a low around 54. East wind around 5 mph. |
| Saturday |
Sunny, with a high near 78. East wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 58. East wind 5 to 10 mph. |
| Sunday |
Mostly sunny, with a high near 84. Southeast wind 5 to 15 mph. |
| Sunday Night |
Partly cloudy, with a low around 73. Southeast wind 10 to 15 mph. |
| Monday |
Mostly sunny, with a high near 92. South wind 10 to 15 mph. |
| Monday Night |
Mostly clear, with a low around 76. Southwest wind 10 to 15 mph. |
| Tuesday |
Sunny, with a high near 93. Southwest wind 10 to 15 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 7pm. Mostly clear, with a low around 75. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%. |
| Wednesday Night |
A slight chance of showers and thunderstorms. Mostly clear, with a low around 74. Chance of precipitation is 20%. |
| Thursday |
A slight chance of showers and thunderstorms. Sunny, with a high near 94. Chance of precipitation is 20%. |
| Thursday Night |
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%. |
| Friday |
A chance of showers and thunderstorms before 1pm, then showers and thunderstorms likely. Mostly sunny, with a high near 91. Chance of precipitation is 60%. |
Forecast from NOAA-NWS for Cottage Grove, WI.