Watertown Municipal Airport Rainfall ForecastUnited StatesWIJefferson CountyWatertown Municipal AirportToday 19 Apr35%Sun 20 Apr70%Mon 21 Apr100%Tue 22 Apr35%Wed 23 Apr60%Thu 24 Apr40%Fri 25 Apr50%Watertown Municipal Airport rainfall forecast issued today at 5:04 pm. Next forecast at approx. 7:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Milwaukee RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads