Sully Rainfall ForecastUnited KingdomWLVale of GlamorganSullyToday 17 Apr75%Fri 18 Apr85%Sat 19 Apr80%Sun 20 Apr25%Mon 21 Apr50%Tue 22 Apr45%Wed 23 Apr10%Sully rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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