Glan-yr-afon (Llandderfel) Rainfall ForecastUnited KingdomWLGwyneddGlan-yr-afon (Llandderfel)Today 11 Aug5%Wed 12 Aug5%Thu 13 Aug20%Fri 14 Aug20%Sat 15 Aug10%Sun 16 Aug15%Mon 17 Aug15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Glan-yr-afon (Llandderfel) rainfall forecast issued today at 1:09 pm. Next forecast at approx. 3:09 am. Rainfall Rainfall AccumulationClee Hill (Shropshire) RadarGet WillyWeather+ to remove ads