Porth Mawr Beach Rainfall ForecastUnited KingdomWLPembrokeshirePorth Mawr BeachToday 27 Apr15%Sun 28 Apr35%Mon 29 Apr60%Tue 30 Apr70%Wed 1 May35%Thu 2 May15%Porth Mawr Beach rainfall forecast issued today at 1:38 am. Next forecast at approx. 3:38 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 an account to remove ads