Pontsarn Rainfall ForecastUnited KingdomWLMerthyr TydfilPontsarnToday 1 Sep95%Tue 2 Sep95%Wed 3 Sep90%Thu 4 Sep40%Fri 5 Sep15%Sat 6 Sep20%Sun 7 Sep50%Pontsarn rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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