Southwick Rainfall ForecastUnited KingdomSEWest SussexSouthwickToday 21 May90%Thu 22 May10%Fri 23 May10%Sat 24 May60%Sun 25 May40%Mon 26 May35%Tue 27 May45%Southwick rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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