Southampton Water - Southampton Rainfall ForecastUnited KingdomSEHampshireSouthampton Water - SouthamptonToday 6 Jul75%Mon 7 Jul75%Tue 8 JulNo RainWed 9 JulNo RainThu 10 JulNo RainFri 11 JulNo RainSouthampton Water - Southampton rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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