Knockarthur Rainfall ForecastUnited KingdomHEHighlandKnockarthurToday 30 Jan40%Fri 31 Jan15%Sat 1 Feb55%Sun 2 Feb10%Mon 3 Feb45%Tue 4 Feb15%Wed 5 Feb5%Knockarthur rainfall forecast issued today at 12:38 pm. Next forecast at approx. 2:38 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 WillyWeather+ to remove ads