Swannay Rainfall ForecastUnited KingdomOSOrkney IslandsSwannayToday 7 May95%Fri 8 May55%Sat 9 May35%Sun 10 May55%Mon 11 May20%Tue 12 May45%Wed 13 May40%Swannay rainfall forecast issued today at 1:40 pm. Next forecast at approx. 3:40 am.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