Portsmouth Harbour - Port Solent Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Port SolentToday 3 Nov35%Tue 4 Nov60%Wed 5 Nov20%Thu 6 Nov10%Fri 7 Nov55%Sat 8 Nov15%Portsmouth Harbour - Port Solent rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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