Chichester Channel - Thorney Channel Entrance Rainfall ForecastUnited KingdomSEWest SussexChichester Channel - Thorney Channel EntranceToday 3 Sep80%Thu 4 Sep65%Fri 5 Sep5%Sat 6 Sep10%Sun 7 Sep50%Mon 8 Sep55%Chichester Channel - Thorney Channel Entrance rainfall forecast issued today at 7:40 am. Next forecast at approx. 9:40 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