Chichester Channel - Thorney Channel Entrance Rainfall ForecastUnited KingdomSEWest SussexChichester Channel - Thorney Channel EntranceToday 16 Sep90%Wed 17 Sep80%Thu 18 Sep20%Fri 19 Sep15%Sat 20 Sep20%Sun 21 Sep30%Chichester Channel - Thorney Channel Entrance 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