Harlech Rainfall ForecastUnited KingdomWLGwyneddHarlechToday 23 May10%Sun 24 May5%Mon 25 MayNo RainTue 26 MayNo RainWed 27 May5%Thu 28 May10%Fri 29 May5%Harlech rainfall forecast issued today at 1:35 pm. Next forecast at approx. 3:35 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