Blackboys Rainfall ForecastUnited KingdomSEEast SussexBlackboysToday 18 May90%Tue 19 May95%Wed 20 May40%Thu 21 May10%Fri 22 May10%Sat 23 May10%Blackboys rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads