Port St Mary Rainfall ForecastUnited KingdomDGDumfries and GallowayPort St MaryToday 30 Apr5%Fri 1 May55%Sat 2 May5%Sun 3 May10%Mon 4 May10%Tue 5 May10%Port St Mary rainfall forecast issued yesterday at 7:37 pm. Next forecast at approx. 9:37 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 WillyWeather+ to remove ads