Gruinard Island Rainfall ForecastUnited KingdomHEHighlandGruinard IslandToday 30 May45%Sat 31 May85%Sun 1 Jun60%Mon 2 Jun30%Tue 3 Jun60%Wed 4 Jun55%Gruinard Island rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Druim a'Starraig (Isle of Lewis) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads