Southampton Airport Rainfall ForecastUnited KingdomSEHampshireSouthampton AirportToday 14 Feb85%Sun 15 Feb90%Mon 16 Feb40%Tue 17 Feb20%Wed 18 Feb55%Thu 19 Feb10%Fri 20 Feb55%Southampton Airport rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 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