Gairsay Rainfall ForecastUnited KingdomOSOrkney IslandsGairsayToday 15 Oct50%Thu 16 Oct45%Fri 17 Oct5%Sat 18 Oct5%Sun 19 Oct75%Mon 20 Oct55%Gairsay rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hill of Dudwick (Aberdeenshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads