Gruinard Island Rainfall ForecastUnited KingdomHEHighlandGruinard IslandToday 15 Dec35%Tue 16 Dec55%Wed 17 Dec60%Thu 18 Dec60%Fri 19 Dec80%Sat 20 Dec55%Gruinard Island rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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