Trevethin Rainfall ForecastUnited KingdomWLTorfaenTrevethinToday 18 MarNo RainThu 19 MarNo RainFri 20 MarNo RainSat 21 MarNo RainSun 22 Mar10%Mon 23 Mar10%Trevethin rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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