St Mary's Rainfall ForecastUnited KingdomSWCornwallSt Mary'sToday 27 Jul5%Sun 28 JulNo RainMon 29 Jul5%Tue 30 Jul5%Wed 31 Jul5%Thu 1 Aug5%St Mary's rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet an account to remove ads