St Martin (Cornwall) Rainfall ForecastUnited KingdomSWCornwallSt Martin (Cornwall)Today 30 MarNo RainMon 31 MarNo RainTue 1 AprNo RainWed 2 AprNo RainThu 3 Apr5%Fri 4 AprNo RainSt Martin (Cornwall) rainfall forecast issued today at 12:37 am. Next forecast at approx. 3:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads