Porth y Wylfa Rainfall ForecastUnited KingdomWLIsle of AngleseyPorth y WylfaToday 26 Nov90%Thu 27 Nov25%Fri 28 Nov35%Sat 29 Nov30%Sun 30 Nov20%Mon 1 Dec50%Porth y Wylfa rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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