Gelli Gynan Rainfall ForecastUnited KingdomWLDenbighshireGelli GynanToday 14 Jan55%Thu 15 Jan40%Fri 16 Jan15%Sat 17 Jan45%Sun 18 Jan50%Mon 19 Jan50%Gelli Gynan 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 Clee Hill (Shropshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads