Portslade-by-Sea Rainfall ForecastUnited KingdomSEEast SussexPortslade-by-SeaToday 3 May5%Sat 4 May5%Sun 5 May15%Mon 6 May50%Tue 7 May10%Wed 8 May5%Thu 9 May5%Portslade-by-Sea rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Thurnham (Kent) RadarNational SatelliteNational SynopticGet an account to remove ads