St Mary's Rainfall ForecastUnited KingdomSWCornwallSt Mary'sToday 27 Jul10%Tue 28 Jul10%Wed 29 Jul10%Thu 30 Jul25%Fri 31 Jul5%Sat 1 Aug5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time St Mary's rainfall forecast issued yesterday at 7:12 pm. Next forecast at approx. 9:12 am. Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads