Today 10 Day Appleton, WI As of 9:14 am CDT 59° Sunny Day 73° • Night 48° Watch: Firefighters Dispatched To Fiery Halloween Display Appleton, WI Forecast Today Hourly Daily Morning 62° 1%. Il y a 2 jours · Appleton Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Appleton area.