Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 22 Jun60%Tue 23 JunNo RainWed 24 Jun5%Thu 25 Jun15%Fri 26 Jun15%Sat 27 Jun30%Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads