Arnol Rainfall ForecastUnited KingdomHEWestern IslesArnolToday 1 May5%Thu 2 May5%Fri 3 MayNo RainSat 4 May10%Sun 5 May10%Mon 6 May15%Tue 7 May50%Arnol rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 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 an account to remove ads