Birsay Rainfall ForecastUnited KingdomOSOrkney IslandsBirsayToday 19 Jan5%Wed 20 Jan80%Thu 21 Jan85%Fri 22 Jan40%Sat 23 Jan35%Birsay rainfall forecast issued today at 9:31 pm. Next forecast at approx. 11:31 am.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