Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 6 Dec95%Sun 7 Dec95%Mon 8 Dec30%Tue 9 Dec55%Wed 10 Dec65%Thu 11 Dec50%Birsay 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