Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 3 Nov90%Tue 4 Nov95%Wed 5 Nov85%Thu 6 Nov55%Fri 7 Nov70%Sat 8 Nov10%Sun 9 Nov35%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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