St Columb Major Rainfall ForecastUnited KingdomSWCornwallSt Columb MajorToday 4 Jun75%Thu 5 Jun85%Fri 6 Jun50%Sat 7 Jun55%Sun 8 Jun10%Mon 9 Jun10%St Columb Major 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 Predannack (Cornwall) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads