Knocknain Rainfall ForecastUnited KingdomDGDumfries and GallowayKnocknainToday 19 Oct100%Mon 20 Oct15%Tue 21 Oct40%Wed 22 Oct50%Thu 23 Oct40%Fri 24 Oct15%Knocknain rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads