Rockville Rainfall ForecastUnited StatesVAHanover CountyRockvilleToday 19 Apr5%Sun 20 Apr5%Mon 21 Apr20%Tue 22 Apr35%Wed 23 Apr30%Thu 24 Apr20%Fri 25 Apr40%Rockville rainfall forecast issued today at 10:04 pm. Next forecast at approx. 12:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Wakefield RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads