Loch of Swannay Rainfall ForecastUnited KingdomOSOrkney IslandsLoch of SwannayToday 18 Sep85%Fri 19 Sep55%Sat 20 Sep15%Sun 21 Sep30%Mon 22 Sep15%Tue 23 Sep10%Loch of Swannay rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Druim a'Starraig (Isle of Lewis) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads