St Mary's Island Rainfall ForecastUnited KingdomSEKentSt Mary's IslandToday 3 Nov50%Tue 4 Nov5%Wed 5 Nov10%Thu 6 Nov5%Fri 7 Nov20%Sat 8 Nov15%St Mary's Island rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads