St Athan Rainfall ForecastUnited KingdomWLVale of GlamorganSt AthanToday 14 Jul35%Tue 15 Jul70%Wed 16 Jul45%Thu 17 Jul45%Fri 18 Jul20%Sat 19 Jul30%Sun 20 Jul40%St Athan rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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