Portmellon Rainfall ForecastUnited KingdomSWCornwallPortmellonToday 13 Mar90%Sat 14 Mar60%Sun 15 Mar50%Mon 16 Mar15%Tue 17 Mar15%Wed 18 MarNo RainPortmellon rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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