Onllwyn Rainfall ForecastUnited KingdomWLNeath Port TalbotOnllwynToday 29 Mar80%Sun 30 Mar5%Mon 31 Mar5%Tue 1 AprNo RainWed 2 AprNo RainThu 3 AprNo RainOnllwyn rainfall forecast issued today at 6:37 am. Next forecast at approx. 8:37 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