St Marys (Scapa Flow) Rainfall ForecastUnited KingdomOSOrkney IslandsSt Marys (Scapa Flow)Today 1 Feb65%Mon 2 Feb90%Tue 3 Feb55%Wed 4 Feb60%Thu 5 Feb45%Fri 6 Feb20%Sat 7 Feb45%St Marys (Scapa Flow) rainfall forecast issued today at 12:38 pm. Next forecast at approx. 2:38 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