Black Rock Rainfall ForecastUnited KingdomSWCornwallBlack RockToday 14 Feb100%Sun 15 Feb90%Mon 16 Feb60%Tue 17 Feb85%Wed 18 Feb85%Thu 19 Feb10%Fri 20 Feb55%Black Rock rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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