Knockarthur Rainfall ForecastUnited KingdomHEHighlandKnockarthurToday 9 Jan80%Sat 10 Jan70%Sun 11 Jan70%Mon 12 Jan15%Tue 13 Jan20%Wed 14 Jan50%Knockarthur rainfall forecast issued today at 6:37 am. Next forecast at approx. 8:37 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