Grim Ness Rainfall ForecastUnited KingdomOSOrkney IslandsGrim NessToday 16 Sep40%Wed 17 Sep80%Thu 18 Sep35%Fri 19 Sep35%Sat 20 Sep55%Sun 21 Sep15%Mon 22 Sep10%Grim Ness rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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