Southwick Rainfall ForecastUnited KingdomEMNorthamptonshireSouthwickToday 7 Feb85%Sun 8 Feb75%Mon 9 Feb50%Tue 10 Feb70%Wed 11 Feb50%Thu 12 Feb45%Fri 13 Feb35%Southwick rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Ingham (Lincolnshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads