Tynlon (Tref Alaw) Rainfall ForecastUnited KingdomWLIsle of AngleseyTynlon (Tref Alaw)Today 9 Apr90%Fri 10 Apr90%Sat 11 Apr60%Sun 12 Apr40%Mon 13 Apr35%Tue 14 Apr5%Wed 15 Apr10%Tynlon (Tref Alaw) rainfall forecast issued today at 7:39 am. Next forecast at approx. 9:39 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