King of Prussia Rainfall ForecastUnited StatesPAMontgomery CountyKing of PrussiaToday 19 Apr15%Sun 20 Apr15%Mon 21 Apr15%Tue 22 Apr40%Wed 23 Apr5%Thu 24 Apr5%Fri 25 Apr30%King of Prussia rainfall forecast issued today at 6:04 pm. Next forecast at approx. 8:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Philadelphia RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads