| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
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| Updated: Mon, Oct-19-2026 2:36pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny, with a high near 67. South wind 0 to 5 mph. |
| Tonight |
Patchy fog after 5am. Partly cloudy, with a low around 41. Southeast wind around 0 mph. |
| Tuesday |
Patchy fog before 7am. Sunny, with a high near 67. East wind 0 to 5 mph. |
| Tuesday Night |
Patchy fog after 1am. Mostly clear, with a low around 43. Southeast wind 0 to 5 mph. |
| Wednesday |
Patchy fog before 8am. Sunny, with a high near 69. Southwest wind 0 to 5 mph. |
| Wednesday Night |
Mostly clear, with a low around 48. South wind around 0 mph. |
| Thursday |
Sunny, with a high near 70. Southeast wind around 0 mph. |
| Thursday Night |
Mostly clear, with a low around 47. Southeast wind around 0 mph. |
| Friday |
Sunny, with a high near 69. |
| Friday Night |
Partly cloudy, with a low around 49. |
| Saturday |
Mostly sunny, with a high near 68. |
| Saturday Night |
Mostly cloudy, with a low around 52. |
| Sunday |
Partly sunny, with a high near 69. |
| Sunday Night |
Partly cloudy, with a low around 47. |
Forecast from NOAA-NWS for Cottage Grove, WI.