Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 22 Oct5%Wed 23 Oct10%Thu 24 Oct70%Fri 25 Oct40%Sat 26 Oct50%Sun 27 Oct50%Mon 28 Oct10%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 7:39 pm. Next forecast at approx. 9:39 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