Menai Strait - Castell-gwylan Rainfall ForecastUnited KingdomWLIsle of AngleseyMenai Strait - Castell-gwylanToday 28 Jun90%Sun 29 Jun15%Mon 30 Jun15%Tue 1 Jul10%Wed 2 Jul5%Thu 3 Jul5%Fri 4 Jul10%Menai Strait - Castell-gwylan rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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