Trevethin Rainfall ForecastUnited KingdomWLTorfaenTrevethinToday 19 Mar85%Wed 20 Mar15%Thu 21 Mar15%Fri 22 Mar15%Sat 23 Mar10%Sun 24 Mar15%Trevethin rainfall forecast issued today at 12:44 am. Next forecast at approx. 2:44 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 an account to remove ads