Helford River - Porthnavas Creek Entrance Rainfall ForecastUnited KingdomSWCornwallHelford River - Porthnavas Creek EntranceToday 8 Aug5%Sun 9 Aug5%Mon 10 Aug5%Tue 11 AugNo RainWed 12 Aug5%Thu 13 Aug5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Helford River - Porthnavas Creek Entrance rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads