Harlech Rainfall ForecastUnited KingdomWLGwyneddHarlechToday 18 Apr95%Fri 19 Apr15%Sat 20 Apr5%Sun 21 Apr5%Mon 22 Apr10%Tue 23 Apr5%Wed 24 Apr5%Harlech rainfall forecast issued today at 7:44 pm. Next forecast at approx. 9:44 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 an account to remove ads