Ystradffin Rainfall ForecastUnited KingdomWLCarmarthenshireYstradffinToday 30 Apr100%Wed 1 May85%Thu 2 May55%Fri 3 May45%Sat 4 May50%Sun 5 May30%Ystradffin rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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 an account to remove ads