Porth Mawr Beach Rainfall ForecastUnited KingdomWLPembrokeshirePorth Mawr BeachToday 4 Aug95%Tue 5 Aug5%Wed 6 Aug15%Thu 7 Aug50%Fri 8 Aug10%Sat 9 Aug5%Porth Mawr Beach rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.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