St Mary's Rainfall ForecastUnited KingdomSWCornwallSt Mary'sToday 25 Aug95%Tue 26 Aug65%Wed 27 Aug75%Thu 28 Aug45%Fri 29 Aug40%Sat 30 Aug15%Sun 31 Aug30%St Mary's rainfall forecast issued today at 1:38 pm. Next forecast at approx. 3:38 am.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