Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 23 Apr5%Sat 24 Apr5%Sun 25 Apr5%Mon 26 Apr55%Tue 27 Apr15%Birsay rainfall forecast issued today at 3:31 am. Next forecast at approx. 5:31 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads