Harlech Rainfall ForecastUnited KingdomWLGwyneddHarlechToday 23 AugNo RainMon 24 Aug5%Tue 25 Aug40%Wed 26 Aug40%Thu 27 Aug55%Fri 28 Aug40%Sat 29 Aug35%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Harlech rainfall forecast issued today at 1:08 pm. Next forecast at approx. 3:08 am. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads