| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Thu, Jul-09-2026 7:57am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Today |
A slight chance of showers and thunderstorms before 11am, then scattered showers and thunderstorms between 11am and 1pm, then a chance of showers and thunderstorms. Cloudy, with a high near 81. West wind 0 to 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible. |
| Tonight |
A chance of showers and thunderstorms before 7pm, then a chance of showers and thunderstorms between 7pm and 11pm, then patchy fog. Mostly cloudy, with a low around 62. Northeast wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Friday |
Patchy fog before 8am. Mostly sunny, with a high near 82. Northeast wind around 5 mph. |
| Friday Night |
Partly cloudy, with a low around 60. Northeast wind 0 to 5 mph. |
| Saturday |
Mostly sunny, with a high near 84. Northeast wind 0 to 5 mph. |
| Saturday Night |
Mostly clear, with a low around 64. Southeast wind around 0 mph. |
| Sunday |
Sunny, with a high near 86. Southwest wind 0 to 5 mph. |
| Sunday Night |
Clear, with a low around 66. Southwest wind 0 to 5 mph. |
| Monday |
Sunny, with a high near 88. |
| Monday Night |
Mostly clear, with a low around 68. |
| Tuesday |
Sunny, with a high near 90. |
| Tuesday Night |
Mostly clear, with a low around 70. |
| Wednesday |
Mostly sunny, with a high near 88. |
| Wednesday Night |
Mostly clear, with a low around 66. |
Forecast from NOAA-NWS for Cottage Grove, WI.