Ystradffin Rainfall ForecastUnited KingdomWLCarmarthenshireYstradffinToday 6 Sep90%Mon 7 Sep90%Tue 8 Sep50%Wed 9 Sep50%Thu 10 Sep60%Fri 11 Sep60%Sat 12 Sep50%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Ystradffin rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads