Merthyr Mawr Rainfall ForecastUnited KingdomWLBridgendMerthyr MawrToday 29 Jan90%Fri 30 Jan85%Sat 31 Jan45%Sun 1 Feb45%Mon 2 Feb55%Tue 3 Feb55%Wed 4 Feb15%Merthyr Mawr rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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