Southampton Rainfall ForecastUnited KingdomSEHampshireSouthamptonToday 27 Jul10%Sun 28 JulNo RainMon 29 JulNo RainTue 30 Jul10%Wed 31 Jul40%Thu 1 Aug10%Southampton rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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 an account to remove ads