Llanfair-Nant-Gwyn Rainfall ForecastUnited KingdomWLPembrokeshireLlanfair-Nant-GwynToday 29 Mar100%Mon 30 Mar20%Tue 31 Mar40%Wed 1 Apr40%Thu 2 Apr60%Fri 3 Apr80%Sat 4 Apr60%Llanfair-Nant-Gwyn rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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