St Mary's Island Rainfall ForecastUnited KingdomSEKentSt Mary's IslandToday 28 Mar55%Sun 29 Mar55%Mon 30 Mar5%Tue 31 Mar15%Wed 1 Apr55%Thu 2 Apr10%Fri 3 Apr20%St Mary's Island rainfall forecast issued today at 6:38 pm. Next forecast at approx. 9:38 am.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