Southwick Rainfall ForecastUnited KingdomEMNorthamptonshireSouthwickToday 30 Jun40%Wed 1 Jul10%Thu 2 Jul15%Fri 3 JulNo RainSat 4 JulNo RainSun 5 JulNo RainSouthwick rainfall forecast issued today at 7:40 am. Next forecast at approx. 9:40 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationIngham (Lincolnshire) RadarGet WillyWeather+ to remove ads