Rockville Lake Rainfall ForecastUnited StatesNYAllegany CountyRockville LakeToday 19 Apr85%Sun 20 Apr35%Mon 21 Apr55%Tue 22 Apr70%Wed 23 Apr15%Thu 24 Apr15%Fri 25 Apr35%Rockville Lake rainfall forecast issued today at 8:04 am. Next forecast at approx. 10:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Buffalo RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads