Snowdonia National Park Rainfall ForecastUnited KingdomWLGwyneddSnowdonia National ParkToday 9 May5%Sun 10 May5%Mon 11 May75%Tue 12 May45%Wed 13 May65%Thu 14 May35%Fri 15 May10%Snowdonia National Park rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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