Knocknaha Rainfall ForecastUnited KingdomSTArgyll and ButeKnocknahaToday 6 May45%Tue 7 May10%Wed 8 May15%Thu 9 May10%Fri 10 May5%Sat 11 May10%Knocknaha rainfall forecast issued today at 1:37 am. Next forecast at approx. 3:37 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 an account to remove ads