Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 17 Apr90%Fri 18 Apr95%Sat 19 Apr45%Sun 20 Apr75%Mon 21 Apr40%Tue 22 Apr35%Wed 23 Apr5%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 7:37 pm. Next forecast at approx. 9:37 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