Port William Rainfall ForecastUnited KingdomDGDumfries and GallowayPort WilliamToday 30 Aug100%Sun 31 Aug65%Mon 1 Sep65%Tue 2 Sep60%Wed 3 Sep55%Thu 4 Sep60%Port William rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.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