Chichester Channel - Thorney Channel Entrance Rainfall ForecastUnited KingdomSEWest SussexChichester Channel - Thorney Channel EntranceToday 15 Dec10%Tue 16 Dec15%Wed 17 Dec80%Thu 18 Dec85%Fri 19 Dec15%Sat 20 Dec55%Chichester Channel - Thorney Channel Entrance rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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