Rider Avenue Park Rainfall ForecastUnited StatesNYSuffolk CountyRider Avenue ParkToday 19 Apr15%Sun 20 Apr15%Mon 21 Apr5%Tue 22 Apr55%Wed 23 Apr5%Thu 24 Apr5%Fri 25 Apr20%Rider Avenue Park rainfall forecast issued today at 6:03 am. Next forecast at approx. 8:03 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Upton RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads