Porth Cwyfan Rainfall ForecastUnited KingdomWLIsle of AngleseyPorth CwyfanToday 9 May5%Sun 10 May10%Mon 11 May15%Tue 12 May15%Wed 13 May40%Thu 14 May30%Fri 15 May10%Porth Cwyfan 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 Dublin RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads