Nassau Rainfall ForecastUnited StatesDESussex CountyNassauToday 18 AprNo RainSat 19 Apr5%Sun 20 AprNo RainMon 21 Apr5%Tue 22 Apr30%Wed 23 Apr15%Thu 24 Apr10%Nassau rainfall forecast issued today at 11:04 pm. Next forecast at approx. 1:04 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Dover Air Force Base RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads