Southampton Water - Southampton Rainfall ForecastUnited KingdomSEHampshireSouthampton Water - SouthamptonToday 6 Feb95%Sat 7 Feb80%Sun 8 Feb55%Mon 9 Feb55%Tue 10 Feb85%Wed 11 Feb60%Thu 12 Feb50%Southampton Water - Southampton rainfall forecast issued today at 6:35 am. Next forecast at approx. 8:35 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