Sully Island Rainfall ForecastUnited KingdomWLVale of GlamorganSully IslandToday 10 Mar100%Wed 11 Mar15%Thu 12 Mar85%Fri 13 Mar45%Sat 14 Mar10%Sun 15 Mar20%Mon 16 Mar10%Sully Island rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads