Potomac River - High Point Rainfall ForecastUnited StatesVAFairfax CountyPotomac River - High PointToday 17 AprNo RainFri 18 AprNo RainSat 19 Apr10%Sun 20 Apr10%Mon 21 Apr20%Tue 22 Apr40%Wed 23 Apr20%Potomac River - High Point rainfall forecast issued today at 4:04 am. Next forecast at approx. 6:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Sterling RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads