Isbister Rainfall ForecastUnited KingdomOSOrkney IslandsIsbisterToday 14 May20%Fri 15 May55%Sat 16 May15%Sun 17 May45%Mon 18 May35%Tue 19 May15%Wed 20 May15%Isbister rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 am.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