St Martin's Rainfall ForecastUnited KingdomSWCornwallSt Martin'sToday 10 Oct10%Sat 11 Oct10%Sun 12 Oct10%Mon 13 Oct5%Tue 14 Oct5%Wed 15 Oct5%St Martin's rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.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