Weather forecast for: Cottage Grove WI
Last Update: 6:11 am CDT Aug 3, 2026
Today: Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 81. Calm wind becoming south around 5 mph in the afternoon.
Tonight: Mostly clear, with a low around 59. South wind around 5 mph becoming calm.
Tuesday: Mostly sunny, with a high near 84. Southwest wind 5 to 10 mph.
Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 62. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 57. Calm wind. Chance of precipitation is 40%.
Thursday: Mostly sunny, with a high near 80. Calm wind becoming north around 5 mph.
Thursday Night: Mostly clear, with a low around 58. Calm wind.
Friday: Sunny, with a high near 83.
Friday Night: Mostly clear, with a low around 62.
Saturday: Mostly sunny, with a high near 85.
Saturday Night: A 20 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.
Sunday: A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.