Brighton Rainfall ForecastUnited KingdomSEEast SussexBrightonToday 16 Jun40%Wed 17 Jun20%Thu 18 Jun20%Fri 19 Jun5%Sat 20 Jun30%Sun 21 Jun10%Brighton rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads