Portsmouth Harbour - Cams Bay Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Cams BayToday 5 Apr45%Mon 6 Apr5%Tue 7 AprNo RainWed 8 Apr5%Thu 9 Apr15%Fri 10 Apr5%Sat 11 Apr5%Portsmouth Harbour - Cams Bay rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.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