St Marys (Scapa Flow) Rainfall ForecastUnited KingdomOSOrkney IslandsSt Marys (Scapa Flow)Today 6 Jul35%Mon 7 Jul10%Tue 8 Jul45%Wed 9 Jul40%Thu 10 Jul15%Fri 11 Jul15%St Marys (Scapa Flow) rainfall forecast issued yesterday at 7:36 pm. Next forecast at approx. 9:36 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