Grimbister Rainfall ForecastUnited KingdomOSOrkney IslandsGrimbisterToday 17 May95%Mon 18 May55%Tue 19 May60%Wed 20 May50%Thu 21 May15%Fri 22 May40%Sat 23 May50%Grimbister rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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