Tynlon (Tref Alaw) Rainfall ForecastUnited KingdomWLIsle of AngleseyTynlon (Tref Alaw)Today 1 Jan80%Fri 2 Jan50%Sat 3 Jan30%Sun 4 Jan35%Mon 5 Jan15%Tue 6 Jan55%Wed 7 Jan15%Tynlon (Tref Alaw) rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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