Harlech Rainfall ForecastUnited KingdomWLGwyneddHarlechToday 4 Oct90%Sun 5 Oct30%Mon 6 Oct30%Tue 7 Oct70%Wed 8 Oct50%Thu 9 Oct10%Harlech rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 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