Chesapeake Bay - Barren Island Gap Rainfall ForecastUnited StatesMDDorchester CountyChesapeake Bay - Barren Island GapToday 16 Apr5%Thu 17 AprNo RainFri 18 AprNo RainSat 19 Apr10%Sun 20 Apr10%Mon 21 Apr15%Tue 22 Apr45%Chesapeake Bay - Barren Island Gap rainfall forecast issued today at 7:04 pm. Next forecast at approx. 9:04 am.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