Llanfair-Nant-Gwyn Rainfall ForecastUnited KingdomWLPembrokeshireLlanfair-Nant-GwynToday 11 Nov10%Thu 12 Nov5%Fri 13 Nov5%Sat 14 Nov50%Sun 15 Nov70%Mon 16 Nov70%Tue 17 Nov80%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Llanfair-Nant-Gwyn rainfall forecast issued today at 6:10 pm. Next forecast at approx. 8:10 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads