Trevethin Rainfall ForecastUnited KingdomWLTorfaenTrevethinToday 14 Sep100%Mon 15 Sep40%Tue 16 Sep85%Wed 17 Sep80%Thu 18 Sep45%Fri 19 Sep15%Trevethin rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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