St Mellion Rainfall ForecastUnited KingdomSWCornwallSt MellionToday 1 Nov90%Sun 2 Nov55%Mon 3 Nov80%Tue 4 Nov85%Wed 5 Nov80%Thu 6 Nov35%Fri 7 Nov75%St Mellion rainfall forecast issued today at 12:35 pm. Next forecast at approx. 2:35 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Cobbacombe Cross (Devon) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads