Trefriw Rainfall ForecastUnited KingdomWLConwyTrefriwToday 17 Sep95%Thu 18 Sep60%Fri 19 Sep80%Sat 20 Sep85%Sun 21 Sep80%Mon 22 Sep5%Tue 23 Sep10%Trefriw rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 pm.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