Efailwen Rainfall ForecastUnited KingdomWLCarmarthenshireEfailwenToday 6 Jun95%Sun 7 Jun95%Mon 8 Jun85%Tue 9 Jun40%Wed 10 Jun40%Thu 11 Jun45%Efailwen rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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