Southampton Rainfall ForecastUnited KingdomSEHampshireSouthamptonToday 9 Dec95%Fri 10 Dec5%Sat 11 Dec60%Sun 12 Dec50%Mon 13 Dec50%Tue 14 Dec45%Wed 15 Dec15%Southampton rainfall forecast issued today at 9:40 am. Next forecast at approx. 11:40 pm.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