Ystalyfera Rainfall ForecastUnited KingdomWLNeath Port TalbotYstalyferaToday 4 Dec95%Thu 5 Dec75%Fri 6 Dec65%Sat 7 Dec20%Sun 8 Dec5%Mon 9 Dec5%Ystalyfera rainfall forecast issued today at 12:38 am. Next forecast at approx. 2:38 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