Southampton Water - Port of Fawley Rainfall ForecastUnited KingdomSEHampshireSouthampton Water - Port of FawleyToday 4 May45%Tue 5 May15%Wed 6 May10%Thu 7 May5%Fri 8 May15%Sat 9 May15%Southampton Water - Port of Fawley rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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 WillyWeather+ to remove ads