RAF St Athan Rainfall ForecastUnited KingdomWLVale of GlamorganRAF St AthanToday 18 MayNo RainMon 19 May30%Tue 20 May5%Wed 21 May40%Thu 22 May5%Fri 23 May10%Sat 24 May50%RAF St Athan rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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