Southampton Rainfall ForecastUnited KingdomSEHampshireSouthamptonToday 28 Sep10%Tue 29 Sep5%Wed 30 Sep95%Thu 1 Oct35%Fri 2 Oct55%Southampton rainfall forecast issued today at 9:31 pm. Next forecast at approx. 11:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads