Pontsarn Rainfall ForecastUnited KingdomWLMerthyr TydfilPontsarnToday 14 Jul90%Tue 15 Jul95%Wed 16 Jul40%Thu 17 Jul30%Fri 18 Jul55%Sat 19 Jul35%Sun 20 Jul50%Pontsarn rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads