St Athan Rainfall ForecastUnited KingdomWLVale of GlamorganSt AthanToday 20 Jan95%Wed 21 Jan90%Thu 22 Jan65%Fri 23 Jan55%Sat 24 Jan15%Sun 25 Jan15%Mon 26 Jan20%St Athan rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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