St Martin's Rainfall ForecastUnited KingdomSWCornwallSt Martin'sToday 27 Nov60%Fri 28 Nov90%Sat 29 Nov40%Sun 30 Nov80%Mon 1 Dec80%Tue 2 Dec40%Wed 3 Dec20%St Martin's rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 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