Chichester Harbour Entrance Rainfall ForecastUnited KingdomSEHampshireChichester Harbour EntranceToday 29 Mar10%Mon 30 Mar10%Tue 31 Mar10%Wed 1 Apr10%Thu 2 Apr20%Fri 3 Apr40%Sat 4 Apr50%Chichester Harbour Entrance rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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