Merthyr Mawr Beach Rainfall ForecastUnited KingdomWLBridgendMerthyr Mawr BeachToday 17 Sep95%Thu 18 Sep45%Fri 19 Sep50%Sat 20 Sep50%Sun 21 Sep25%Mon 22 Sep10%Merthyr Mawr Beach 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