Orkney Rainfall ForecastUnited KingdomOSOrkney IslandsOrkneyToday 17 Jul35%Fri 18 Jul15%Sat 19 Jul20%Sun 20 Jul20%Mon 21 Jul20%Tue 22 Jul15%Orkney rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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