Llanberis Rainfall ForecastUnited KingdomWLGwyneddLlanberisToday 14 Jan95%Thu 15 Jan45%Fri 16 Jan35%Sat 17 Jan5%Sun 18 Jan10%Mon 19 Jan10%Tue 20 Jan15%Llanberis rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 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