Tyn-y-Gongl Rainfall ForecastUnited KingdomWLIsle of AngleseyTyn-y-GonglToday 2 Jul75%Thu 3 Jul10%Fri 4 Jul50%Sat 5 Jul35%Sun 6 Jul35%Mon 7 Jul30%Tyn-y-Gongl rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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