Chichester Rainfall ForecastUnited KingdomSEWest SussexChichesterToday 17 Sep60%Thu 18 Sep15%Fri 19 Sep10%Sat 20 Sep45%Sun 21 Sep35%Mon 22 Sep15%Tue 23 Sep35%Chichester rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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