Black Cross Rainfall ForecastUnited KingdomSWCornwallBlack CrossToday 10 Jun50%Thu 11 Jun85%Fri 12 Jun50%Sat 13 Jun15%Sun 14 Jun5%Mon 15 Jun10%Tue 16 Jun10%Black Cross rainfall forecast issued today at 7:35 pm. Next forecast at approx. 9:35 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