Llantrisant Rainfall ForecastUnited KingdomWLIsle of AngleseyLlantrisantToday 25 Oct90%Sun 26 Oct90%Mon 27 Oct35%Tue 28 Oct10%Wed 29 Oct35%Thu 30 Oct60%Llantrisant rainfall forecast issued today at 7:35 am. Next forecast at approx. 9:35 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