Helford Passage Rainfall ForecastUnited KingdomSWCornwallHelford PassageToday 17 Jul50%Fri 18 Jul5%Sat 19 Jul80%Sun 20 Jul65%Mon 21 Jul40%Tue 22 Jul35%Wed 23 Jul30%Helford Passage rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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