Port Castle Bay Rainfall ForecastUnited KingdomDGDumfries and GallowayPort Castle BayToday 28 Mar95%Fri 29 Mar55%Sat 30 Mar40%Sun 31 Mar10%Mon 1 Apr10%Tue 2 Apr15%Port Castle Bay rainfall forecast issued today at 12:33 pm. Next forecast at approx. 2:33 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet an account to remove ads