Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 3 Dec95%Thu 4 Dec45%Fri 5 Dec95%Sat 6 Dec80%Sun 7 Dec20%Mon 8 Dec80%Tue 9 Dec25%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