| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Fri, Jul-10-2026 3:33am CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| Overnight |
Patchy fog. Mostly cloudy, with a low around 64. East wind around 0 mph. |
| Friday |
Patchy fog before 7am, then a slight chance of rain showers. Partly sunny, with a high near 82. Northeast wind around 5 mph. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of rain showers before 7pm. Partly cloudy, with a low around 61. East wind 0 to 5 mph. Chance of precipitation is 20%. |
| Saturday |
Sunny, with a high near 84. Northeast wind 0 to 5 mph. |
| Saturday Night |
Mostly clear, with a low around 62. East wind 0 to 5 mph. |
| Sunday |
Sunny, with a high near 86. Southeast wind 0 to 5 mph. |
| Sunday Night |
Clear, with a low around 65. South wind around 0 mph. |
| Monday |
Sunny, with a high near 89. Southwest wind 0 to 5 mph. |
| Monday Night |
Clear, with a low around 68. |
| Tuesday |
Sunny, with a high near 90. |
| Tuesday Night |
Mostly clear, with a low around 70. |
| Wednesday |
Sunny, with a high near 89. |
| Wednesday Night |
Mostly clear, with a low around 67. |
| Thursday |
Sunny, with a high near 87. |
Forecast from NOAA-NWS for Cottage Grove, WI.