Swannay Rainfall ForecastUnited KingdomOSOrkney IslandsSwannayToday 19 Oct90%Mon 20 Oct65%Tue 21 Oct55%Wed 22 Oct25%Thu 23 Oct20%Fri 24 Oct50%Sat 25 Oct35%Swannay rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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