St Athan Rainfall ForecastUnited KingdomWLVale of GlamorganSt AthanToday 17 Oct5%Sun 18 Oct50%Mon 19 Oct45%Tue 20 Oct45%Wed 21 Oct40%Thu 22 Oct65%Fri 23 Oct65%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time St Athan rainfall forecast issued today at 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationCobbacombe Cross (Devon) RadarGet WillyWeather+ to remove ads