St Mary's Island Rainfall ForecastUnited KingdomSEKentSt Mary's IslandToday 13 May80%Thu 14 May80%Fri 15 May55%Sat 16 May10%Sun 17 May65%Mon 18 May35%Tue 19 May40%St Mary's Island rainfall forecast issued today at 7:39 pm. Next forecast at approx. 9:39 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