Harlyn Bay Rainfall ForecastUnited KingdomSWCornwallHarlyn BayToday 16 Feb75%Tue 17 Feb50%Wed 18 Feb85%Thu 19 Feb10%Fri 20 Feb75%Sat 21 Feb50%Sun 22 Feb55%Harlyn Bay rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.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