Menai Strait - Castell-gwylan Rainfall ForecastUnited KingdomWLIsle of AngleseyMenai Strait - Castell-gwylanToday 22 Jul15%Thu 23 Jul10%Fri 24 Jul15%Sat 25 Jul75%Sun 26 Jul30%Mon 27 Jul15%Tue 28 Jul20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Menai Strait - Castell-gwylan rainfall forecast issued today at 7:32 pm. Next forecast at approx. . Rainfall Rainfall AccumulationCrug-y-Gorllwyn (Carmarthenshire) RadarGet WillyWeather+ to remove ads