St Mary's Rainfall ForecastUnited KingdomOSOrkney IslandsSt Mary'sToday 15 Sep60%Tue 16 Sep60%Wed 17 Sep55%Thu 18 Sep55%Fri 19 Sep50%Sat 20 Sep55%Sun 21 Sep35%St Mary's rainfall forecast issued today at 7:38 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 Hill of Dudwick (Aberdeenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads