Port St Mary Rainfall ForecastUnited KingdomDGDumfries and GallowayPort St MaryToday 21 Sep50%Tue 22 Sep60%Wed 23 Sep60%Thu 24 Sep50%Fri 25 Sep10%Sat 26 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Port St Mary rainfall forecast issued today at 1:09 am. Next forecast at approx. 3:09 pm. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads