Shelter Island Bay - Jonas Island Rainfall ForecastUnited StatesNJAtlantic CountyShelter Island Bay - Jonas IslandToday 18 AprNo RainSat 19 Apr5%Sun 20 Apr5%Mon 21 Apr5%Tue 22 Apr30%Wed 23 Apr10%Thu 24 Apr5%Shelter Island Bay - Jonas Island rainfall forecast issued today at 8:04 pm. Next forecast at approx. 10:04 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast NOAA Rain Today Real-Time Philadelphia RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads