St Mary's Airport Rainfall ForecastUnited KingdomSWCornwallSt Mary's AirportToday 30 Mar5%Mon 31 Mar5%Tue 1 AprNo RainWed 2 Apr25%Thu 3 Apr30%Fri 4 Apr5%St Mary's Airport rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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