Gellideg Rainfall ForecastUnited KingdomWLMerthyr TydfilGellidegToday 18 Sep90%Fri 19 Sep40%Sat 20 Sep70%Sun 21 Sep20%Mon 22 Sep5%Tue 23 Sep5%Wed 24 Sep10%Gellideg rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 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 WillyWeather+ to remove ads