Average Low Temp: 15.9 degrees #12 Oshkosh, WI #12 Oshkosh, WI Average Low Temp: 15.5 degrees cold weather (Photo by Drew Angerer/Getty Images) cold weather #10 Appleton, WI Spencer Platt / Staff #10 Appleton, WI Average Low Temp: 15.1 degrees #9 Green Bay, WI Getty Imag...