Porth y Wylfa Rainfall ForecastUnited KingdomWLIsle of AngleseyPorth y WylfaToday 9 Oct10%Fri 10 Oct5%Sat 11 Oct5%Sun 12 Oct15%Mon 13 Oct15%Tue 14 Oct5%Porth y Wylfa rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 pm.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