Trewern Rainfall ForecastUnited KingdomWLPowysTrewernToday 2 Jan55%Sat 3 Jan5%Sun 4 Jan30%Mon 5 Jan10%Tue 6 Jan45%Wed 7 Jan10%Trewern rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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