Trelewis Rainfall ForecastUnited KingdomWLMerthyr TydfilTrelewisToday 11 May80%Tue 12 May10%Wed 13 May35%Thu 14 May55%Fri 15 May15%Sat 16 May40%Sun 17 May15%Trelewis rainfall forecast issued today at 7:40 am. Next forecast at approx. 9:40 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads