| National Weather Service Forecast for:
Cottage Grove, WI Issued by: National Weather Service Milwaukee/Sullivan/Dousman, WI |
||||||||||||||||||||||||||||||||||||||||
| Updated: Sat, Aug-15-2026 8:41pm CDT | ||||||||||||||||||||||||||||||||||||||||
| Cottage Grove | ||||||||||||||||||||||||||||||||||||||||
|
||||||||||||||||||||||||||||||||||||||||
| Tonight |
A chance of rain showers between 11pm and midnight, then a chance of showers and thunderstorms. Cloudy, with a low around 70. Southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday |
A slight chance of rain showers before 8am. Mostly cloudy, with a high near 82. Northwest wind 5 to 10 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible. |
| Sunday Night |
Mostly clear, with a low around 60. Northwest wind 0 to 10 mph. |
| Monday |
Sunny, with a high near 80. Northwest wind 0 to 5 mph. |
| Monday Night |
Partly cloudy, with a low around 62. Southwest wind around 5 mph. |
| Tuesday |
A chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Southwest wind 5 to 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible. |
| Tuesday Night |
A chance of showers and thunderstorms before 7pm, then showers and thunderstorms likely. Mostly cloudy, with a low around 61. Northwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible. |
| Wednesday |
Rain showers likely before 1pm. Partly sunny, with a high near 76. North wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible. |
| Wednesday Night |
Partly cloudy, with a low around 55. |
| Thursday |
Mostly sunny, with a high near 76. |
| Thursday Night |
Partly cloudy, with a low around 57. |
| Friday |
A slight chance of rain showers after 1pm. Mostly sunny, with a high near 77. Chance of precipitation is 20%. |
| Friday Night |
A slight chance of rain showers. Partly cloudy, with a low around 59. Chance of precipitation is 20%. |
| Saturday |
A slight chance of rain showers before 7am. Mostly sunny, with a high near 78. Chance of precipitation is 20%. |
Forecast from NOAA-NWS for Cottage Grove, WI.