Trevethin Rainfall ForecastUnited KingdomWLTorfaenTrevethinToday 12 JulNo RainSun 13 Jul5%Mon 14 Jul35%Tue 15 Jul45%Wed 16 Jul45%Thu 17 Jul15%Fri 18 Jul10%Trevethin rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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