| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Jul-06-2026 5:41am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Clear, with a low around 62. South wind around 0 mph. |
| Monday |
Sunny, with a high near 83. Northeast wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 58. Northeast wind 0 to 5 mph. |
| Tuesday |
Sunny, with a high near 84. Northwest wind around 0 mph. |
| Tuesday Night |
Mostly clear, with a low around 63. Southwest wind around 0 mph. |
| Wednesday |
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph. |
| Wednesday Night |
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Thursday |
Showers and thunderstorms likely. Mostly cloudy, with a high near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible. |
| Thursday Night |
Showers and thunderstorms likely before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Chance of precipitation is 70%. |
| Friday |
A chance of rain showers. Partly sunny, with a high near 81. Chance of precipitation is 30%. |
| Friday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 61. Chance of precipitation is 20%. |
| Saturday |
Mostly sunny, with a high near 83. |
| Saturday Night |
Partly cloudy, with a low around 62. |
| Sunday |
Mostly sunny, with a high near 86. |
Forecast from NOAA-NWS for Cottage Grove, WI.