Knocknain Rainfall ForecastUnited KingdomDGDumfries and GallowayKnocknainToday 11 Jun100%Fri 12 Jun55%Sat 13 Jun10%Sun 14 Jun5%Mon 15 Jun50%Tue 16 Jun45%Knocknain rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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