Merthyr Mawr Beach Rainfall ForecastUnited KingdomWLBridgendMerthyr Mawr BeachToday 29 Jun15%Mon 30 Jun5%Tue 1 Jul5%Wed 2 Jul15%Thu 3 Jul10%Fri 4 Jul35%Merthyr Mawr Beach rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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