Black Rock Rainfall ForecastUnited KingdomSWCornwallBlack RockToday 23 Dec50%Wed 24 Dec10%Thu 25 Dec15%Fri 26 Dec5%Sat 27 Dec5%Sun 28 Dec5%Black Rock rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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