Swannay Rainfall ForecastUnited KingdomOSOrkney IslandsSwannayToday 17 Aug10%Mon 18 Aug15%Tue 19 Aug45%Wed 20 Aug10%Thu 21 Aug10%Fri 22 Aug10%Sat 23 Aug15%Swannay rainfall forecast issued today at 7:35 am. Next forecast at approx. 9:35 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