Port William Rainfall ForecastUnited KingdomDGDumfries and GallowayPort WilliamToday 28 Jul55%Wed 29 Jul85%Thu 30 Jul35%Fri 31 Jul30%Sat 1 Aug10%Sun 2 Aug10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Port William 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