Pontsarn Rainfall ForecastUnited KingdomWLMerthyr TydfilPontsarnToday 2 May95%Sun 3 May85%Mon 4 May20%Tue 5 May15%Wed 6 May15%Thu 7 May25%Fri 8 May10%Pontsarn rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 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