Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 2 May75%Sun 3 May80%Mon 4 May60%Tue 5 May5%Wed 6 May40%Thu 7 May50%Fri 8 May15%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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