Porth Twyn-mawr Rainfall ForecastUnited KingdomWLIsle of AngleseyPorth Twyn-mawrToday 28 Apr60%Mon 29 Apr90%Tue 30 Apr80%Wed 1 May15%Thu 2 May10%Fri 3 MayNo RainSat 4 May5%Porth Twyn-mawr 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 an account to remove ads