Llyn Cwellyn Rainfall ForecastUnited KingdomWLGwyneddLlyn CwellynToday 29 Apr100%Tue 30 Apr90%Wed 1 May50%Thu 2 May30%Fri 3 May35%Sat 4 May15%Sun 5 May10%Llyn Cwellyn rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 am.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 an account to remove ads