RAF St Athan Rainfall ForecastUnited KingdomWLVale of GlamorganRAF St AthanToday 15 Oct10%Thu 16 Oct5%Fri 17 Oct5%Sat 18 Oct20%Sun 19 Oct80%Mon 20 Oct40%RAF St Athan rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.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