Southbourne Rainfall ForecastUnited KingdomSEWest SussexSouthbourneToday 18 Jan15%Mon 19 Jan25%Tue 20 Jan45%Wed 21 Jan50%Thu 22 Jan45%Fri 23 Jan45%Southbourne 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 Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads