Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 23 May15%Sat 24 May85%Sun 25 May15%Mon 26 May35%Tue 27 May45%Wed 28 May20%Thu 29 May15%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 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