Cymmer Rainfall ForecastUnited KingdomWLNeath Port TalbotCymmerToday 2 Apr95%Fri 3 Apr90%Sat 4 Apr90%Sun 5 Apr10%Mon 6 Apr25%Tue 7 Apr40%Cymmer 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 Crug-y-Gorllwyn (Carmarthenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads