Compton Bay Rainfall ForecastUnited KingdomSEIsle of WightCompton BayToday 5 Dec95%Sat 6 Dec85%Sun 7 Dec85%Mon 8 Dec75%Tue 9 Dec75%Wed 10 Dec10%Compton Bay rainfall forecast issued today at 6:35 am. Next forecast at approx. 8:35 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