Swannay Rainfall ForecastUnited KingdomOSOrkney IslandsSwannayToday 19 Dec65%Sat 20 Dec45%Sun 21 Dec50%Mon 22 Dec50%Tue 23 Dec10%Wed 24 Dec10%Thu 25 Dec10%Swannay rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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