St Gennys Rainfall ForecastUnited KingdomSWCornwallSt GennysToday 18 Aug15%Tue 19 Aug20%Wed 20 Aug5%Thu 21 AugNo RainFri 22 Aug5%Sat 23 Aug10%St Gennys 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 Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads