St Mary's Rainfall ForecastUnited KingdomSWCornwallSt Mary'sToday 3 May5%Sat 4 May50%Sun 5 May45%Mon 6 May5%Tue 7 May5%Wed 8 May5%St Mary's rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet an account to remove ads