Gerlan Rainfall ForecastUnited KingdomWLGwyneddGerlanToday 16 May90%Sun 17 May65%Mon 18 May90%Tue 19 May90%Wed 20 May55%Thu 21 May15%Gerlan rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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