Trefor Rainfall ForecastUnited KingdomWLIsle of AngleseyTreforToday 18 May5%Mon 19 MayNo RainTue 20 May40%Wed 21 May5%Thu 22 May5%Fri 23 May15%Sat 24 May50%Trefor rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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