St Mary's Rainfall ForecastUnited KingdomSWCornwallSt Mary'sToday 30 Mar15%Mon 31 MarNo RainTue 1 AprNo RainWed 2 Apr5%Thu 3 Apr10%Fri 4 Apr5%Sat 5 AprNo RainSt Mary's rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 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