Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 2 Jul5%Thu 3 Jul60%Fri 4 Jul85%Sat 5 Jul70%Sun 6 Jul50%Mon 7 Jul15%Birsay rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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