Porth Mellin Rainfall ForecastUnited KingdomSWCornwallPorth MellinToday 11 Oct90%Mon 12 Oct65%Tue 13 Oct65%Wed 14 Oct20%Thu 15 Oct75%Fri 16 Oct10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Porth Mellin rainfall forecast issued yesterday at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads