Portnaguran Rainfall ForecastUnited KingdomHEWestern IslesPortnaguranToday 15 Jul45%Wed 16 JulNo RainThu 17 Jul35%Fri 18 Jul30%Sat 19 Jul10%Sun 20 Jul30%Portnaguran rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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