Menai Strait - Castell-gwylan Rainfall ForecastUnited KingdomWLIsle of AngleseyMenai Strait - Castell-gwylanToday 15 Feb55%Mon 16 Feb45%Tue 17 Feb5%Wed 18 Feb10%Thu 19 Feb20%Fri 20 Feb80%Sat 21 Feb15%Menai Strait - Castell-gwylan rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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