Port Castle Bay Rainfall ForecastUnited KingdomDGDumfries and GallowayPort Castle BayToday 29 Oct50%Fri 30 Oct5%Sat 31 Oct45%Sun 1 Nov5%Mon 2 Nov5%Tue 3 Nov5%Wed 4 Nov10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Port Castle Bay rainfall forecast issued today at 6:10 am. Next forecast at approx. 8:10 pm. Rainfall Rainfall AccumulationCastor Bay (Lurgan) RadarGet WillyWeather+ to remove ads