Southwick Rainfall ForecastUnited KingdomSEWest SussexSouthwickToday 22 Jan85%Fri 23 Jan95%Sat 24 Jan15%Sun 25 Jan15%Mon 26 Jan55%Tue 27 Jan25%Southwick rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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