Trefriw Rainfall ForecastUnited KingdomWLConwyTrefriwToday 6 Sep5%Sun 7 Sep80%Mon 8 Sep35%Tue 9 Sep15%Wed 10 Sep35%Thu 11 Sep35%Fri 12 Sep10%Trefriw rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Clee Hill (Shropshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads