Ynys Gwylan-bach Rainfall ForecastUnited KingdomWLGwyneddYnys Gwylan-bachToday 15 Sep10%Wed 16 Sep65%Thu 17 Sep10%Fri 18 Sep55%Sat 19 Sep10%Sun 20 Sep15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Ynys Gwylan-bach rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads