Sound of Harris - Hermetray Rainfall ForecastUnited KingdomHEWestern IslesSound of Harris - HermetrayToday 21 May95%Fri 22 May80%Sat 23 May55%Sun 24 May55%Mon 25 May10%Tue 26 May5%Sound of Harris - Hermetray rainfall forecast issued today at 1:35 am. Next forecast at approx. 3:35 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