Kirkwall Rainfall ForecastUnited KingdomOSOrkney IslandsKirkwallToday 16 May15%Sun 17 May80%Mon 18 May10%Tue 19 May45%Wed 20 May35%Thu 21 May10%Kirkwall 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