Long Island Rainfall ForecastUnited StatesMEHancock CountyLong IslandToday 19 Apr55%Sun 20 Apr10%Mon 21 Apr5%Tue 22 Apr60%Wed 23 Apr20%Thu 24 Apr10%Fri 25 Apr20%Long Island 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 Portland RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads