Brighton Rainfall ForecastUnited KingdomSEEast SussexBrightonToday 15 Oct10%Thu 16 Oct15%Fri 17 Oct10%Sat 18 Oct5%Sun 19 Oct50%Mon 20 Oct40%Brighton 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