Portsmouth Harbour - Salterns Quay Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Salterns QuayToday 10 Feb90%Wed 11 Feb60%Thu 12 Feb45%Fri 13 Feb20%Sat 14 Feb60%Sun 15 Feb80%Mon 16 Feb35%Portsmouth Harbour - Salterns Quay 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