Porthgain Rainfall ForecastUnited KingdomWLPembrokeshirePorthgainToday 3 May60%Sat 4 May10%Sun 5 May20%Mon 6 May5%Tue 7 May5%Wed 8 May10%Thu 9 May15%Porthgain rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 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 an account to remove ads