Biggin Hill Rainfall ForecastUnited KingdomSEGreater LondonBiggin HillToday 20 Nov15%Fri 21 Nov5%Sat 22 Nov80%Sun 23 Nov40%Mon 24 Nov20%Tue 25 Nov10%Biggin Hill 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 Thurnham (Kent) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads