Southwick Rainfall ForecastUnited KingdomNETyne and WearSouthwickToday 15 Aug10%Sun 16 Aug50%Mon 17 Aug85%Tue 18 Aug5%Wed 19 Aug30%Thu 20 Aug60%Fri 21 Aug15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Southwick rainfall forecast issued today at 7:09 pm. Next forecast at approx. 9:09 am. Rainfall Rainfall AccumulationHigh Moorsley (Durham) RadarGet WillyWeather+ to remove ads