Port St Mary Rainfall ForecastUnited KingdomDGDumfries and GallowayPort St MaryToday 17 Jul35%Fri 18 Jul15%Sat 19 Jul15%Sun 20 Jul20%Mon 21 Jul10%Tue 22 Jul40%Wed 23 Jul10%Port St Mary rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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