Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 29 Jan30%Thu 30 Jan90%Fri 31 Jan55%Sat 1 Feb15%Birsay rainfall forecast issued yesterday at 11:31 pm. Next forecast at approx. 1:31 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