Llangennith Rainfall ForecastUnited KingdomWLSwanseaLlangennithToday 15 Jan45%Fri 16 Jan40%Sat 17 Jan10%Sun 18 Jan10%Mon 19 Jan15%Tue 20 Jan55%Llangennith 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