Brighton Rainfall ForecastUnited KingdomSEEast SussexBrightonToday 10 Sep75%Fri 11 Sep15%Sat 12 Sep35%Sun 13 Sep35%Mon 14 Sep10%Tue 15 Sep10%Wed 16 Sep5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Brighton rainfall forecast issued today at 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationThurnham (Kent) RadarGet WillyWeather+ to remove ads