Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 6 May25%Tue 7 May5%Wed 8 May75%Thu 9 May50%Fri 10 May45%Sat 11 May10%Birsay rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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 an account to remove ads