Ystradffin Rainfall ForecastUnited KingdomWLCarmarthenshireYstradffinToday 21 Jul15%Wed 22 Jul15%Thu 23 Jul5%Fri 24 Jul5%Sat 25 Jul65%Sun 26 Jul60%Mon 27 Jul45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Ystradffin rainfall forecast issued today at 4:12 pm. Next forecast at approx. . Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads