Trealaw Rainfall ForecastUnited KingdomWLRhondda Cynon TaffTrealawToday 16 May5%Sat 17 May5%Sun 18 MayNo RainMon 19 May5%Tue 20 May10%Wed 21 May5%Thu 22 May35%Trealaw rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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