Portmellon Rainfall ForecastUnited KingdomSWCornwallPortmellonToday 26 Jan95%Tue 27 Jan90%Wed 28 Jan65%Thu 29 Jan65%Fri 30 Jan35%Sat 31 Jan15%Portmellon 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