| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Tue, Jul-21-2026 8:46pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 52. North wind 5 to 10 mph. |
| Wednesday |
Sunny, with a high near 74. North wind around 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 54. Northwest wind 0 to 5 mph. |
| Thursday |
Mostly sunny, with a high near 79. West wind 0 to 5 mph. |
| Thursday Night |
Partly cloudy, with a low around 57. Southwest wind 0 to 5 mph. |
| Friday |
Mostly sunny, with a high near 80. Southwest wind 0 to 5 mph. |
| Friday Night |
Mostly clear, with a low around 59. South wind around 5 mph. |
| Saturday |
Sunny, with a high near 85. Southwest wind 5 to 10 mph. |
| Saturday Night |
Partly cloudy, with a low around 67. |
| Sunday |
Mostly sunny, with a high near 90. |
| Sunday Night |
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 68. Chance of precipitation is 30%. |
| Monday |
A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 90. Chance of precipitation is 30%. |
| Monday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64. Chance of precipitation is 20%. |
| Tuesday |
A slight chance of showers and thunderstorms before 7am. Sunny, with a high near 86. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.