Grimness Rainfall ForecastUnited KingdomOSOrkney IslandsGrimnessToday 6 Nov20%Fri 7 Nov20%Sat 8 Nov10%Sun 9 Nov10%Mon 10 Nov10%Tue 11 Nov50%Wed 12 Nov50%Grimness rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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