Southampton Rainfall ForecastUnited KingdomSEHampshireSouthamptonToday 12 Apr40%Mon 13 Apr40%Tue 14 Apr20%Wed 15 Apr75%Thu 16 Apr10%Fri 17 Apr10%Southampton rainfall forecast issued yesterday at 7:36 pm. Next forecast at approx. 9:36 am.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