Knock Rainfall ForecastUnited KingdomHEWestern IslesKnockToday 15 Dec45%Tue 16 Dec95%Wed 17 Dec90%Thu 18 Dec30%Fri 19 Dec60%Sat 20 Dec35%Sun 21 Dec5%Knock rainfall forecast issued today at 12:39 pm. Next forecast at approx. 2:39 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