Bac Rainfall ForecastUnited KingdomHEWestern IslesBacToday 3 Oct100%Sat 4 Oct95%Sun 5 Oct90%Mon 6 Oct75%Tue 7 Oct75%Wed 8 Oct40%Thu 9 Oct15%Bac rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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