St Marys (Scapa Flow) Rainfall ForecastUnited KingdomOSOrkney IslandsSt Marys (Scapa Flow)Today 13 Aug95%Fri 14 Aug15%Sat 15 Aug30%Sun 16 Aug15%Mon 17 Aug50%Tue 18 Aug45%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time St Marys (Scapa Flow) rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationHill of Dudwick (Aberdeenshire) RadarGet WillyWeather+ to remove ads