Gellideg Rainfall ForecastUnited KingdomWLMerthyr TydfilGellidegToday 5 Nov85%Thu 6 Nov40%Fri 7 Nov60%Sat 8 Nov15%Sun 9 Nov30%Mon 10 Nov50%Gellideg rainfall forecast issued today at 12:35 am. Next forecast at approx. 2:35 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