Bac Rainfall ForecastUnited KingdomHEWestern IslesBacToday 1 Jan80%Fri 2 Jan65%Sat 3 Jan55%Sun 4 Jan55%Mon 5 Jan25%Tue 6 Jan15%Wed 7 Jan20%Bac rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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