Knockinlaw Rainfall ForecastUnited KingdomSTEast AyrshireKnockinlawToday 16 Sep95%Wed 17 Sep50%Thu 18 Sep30%Fri 19 Sep20%Sat 20 Sep45%Sun 21 Sep10%Knockinlaw 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 Holehead (Stirling) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads