Portsmouth Harbour - Port Solent Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Port SolentToday 2 Feb85%Tue 3 Feb90%Wed 4 Feb15%Thu 5 Feb50%Fri 6 Feb45%Sat 7 Feb30%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