Llandyfan Rainfall ForecastUnited KingdomWLCarmarthenshireLlandyfanToday 8 Mar60%Mon 9 Mar50%Tue 10 Mar95%Wed 11 Mar85%Thu 12 Mar85%Fri 13 Mar50%Llandyfan rainfall forecast issued today at 12:35 am. Next forecast at approx. 2:35 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