Southampton Water Entrance Rainfall ForecastUnited KingdomSEHampshireSouthampton Water EntranceToday 25 Oct65%Mon 26 Oct95%Tue 27 Oct85%Wed 28 Oct10%Thu 29 Oct10%Fri 30 Oct20%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Southampton Water Entrance rainfall forecast issued today at 6:10 am. Next forecast at approx. 8:10 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads