Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 23 Aug45%Sun 24 Aug10%Mon 25 Aug5%Tue 26 Aug15%Wed 27 Aug15%Thu 28 Aug15%Fri 29 Aug30%Birsay rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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