Penzance Harbour Rainfall ForecastUnited KingdomSWCornwallPenzance HarbourToday 23 Apr10%Wed 24 Apr5%Thu 25 Apr35%Fri 26 Apr20%Sat 27 Apr25%Sun 28 Apr35%Penzance Harbour rainfall forecast issued today at 6:19 am. Next forecast at approx. 8:19 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet an account to remove ads