Porth Mellin Rainfall ForecastUnited KingdomSWCornwallPorth MellinToday 10 Apr95%Sat 11 Apr65%Sun 12 Apr45%Mon 13 Apr30%Tue 14 Apr55%Wed 15 Apr45%Thu 16 Apr20%Porth Mellin rainfall forecast issued today at 1:39 pm. Next forecast at approx. 3:39 am.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