Merthyr Vale Rainfall ForecastUnited KingdomWLMerthyr TydfilMerthyr ValeToday 13 Mar85%Sat 14 Mar50%Sun 15 Mar85%Mon 16 Mar50%Tue 17 Mar20%Wed 18 Mar5%Thu 19 Mar5%Merthyr Vale rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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