Merthyr Vale Rainfall ForecastUnited KingdomWLMerthyr TydfilMerthyr ValeToday 4 May60%Tue 5 May10%Wed 6 May15%Thu 7 May10%Fri 8 May10%Sat 9 May45%Merthyr Vale 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