Merthyr Vale Rainfall ForecastUnited KingdomWLMerthyr TydfilMerthyr ValeToday 29 Jan100%Fri 30 Jan90%Sat 31 Jan50%Sun 1 Feb25%Mon 2 Feb80%Tue 3 Feb55%Wed 4 Feb35%Merthyr Vale rainfall forecast issued today at 12:40 pm. Next forecast at approx. 2:40 am.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