| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, May-25-2026 6:41pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 59. Southwest wind around 5 mph. |
| Tuesday |
Sunny, with a high near 87. Southwest wind 5 to 10 mph. |
| Tuesday Night |
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60. West wind 0 to 5 mph. Chance of precipitation is 20%. |
| Wednesday |
A slight chance of rain showers before 7am, then a chance of showers and thunderstorms. Partly sunny, with a high near 81. North wind 0 to 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Wednesday Night |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 1am. Partly cloudy, with a low around 52. Northeast wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Thursday |
Sunny, with a high near 75. Northeast wind 5 to 10 mph. |
| Thursday Night |
Mostly clear, with a low around 49. Northeast wind 0 to 10 mph. |
| Friday |
Sunny, with a high near 80. North wind 0 to 5 mph. |
| Friday Night |
Mostly clear, with a low around 54. |
| Saturday |
Sunny, with a high near 76. |
| Saturday Night |
Mostly clear, with a low around 50. |
| Sunday |
Sunny, with a high near 77. |
| Sunday Night |
Mostly clear, with a low around 52. |
| Monday |
Sunny, with a high near 80. |
Forecast from NOAA-NWS for Cottage Grove, WI.