Grim Ness Rainfall ForecastUnited KingdomOSOrkney IslandsGrim NessToday 20 Dec40%Sun 21 Dec50%Mon 22 Dec55%Tue 23 Dec15%Wed 24 Dec10%Thu 25 Dec10%Fri 26 Dec10%Grim Ness rainfall forecast issued today at 12:39 pm. Next forecast at approx. 2:39 am.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