Llantrisant Rainfall ForecastUnited KingdomWLIsle of AngleseyLlantrisantToday 2 May90%Sun 3 May55%Mon 4 May5%Tue 5 May10%Wed 6 May10%Thu 7 May25%Fri 8 May10%Llantrisant 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