Portsmouth Harbour - Haslar Marina Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Haslar MarinaToday 8 Feb60%Mon 9 Feb95%Tue 10 Feb80%Wed 11 Feb50%Thu 12 Feb20%Fri 13 Feb15%Sat 14 Feb10%Portsmouth Harbour - Haslar Marina rainfall forecast issued today at 12:39 pm. Next forecast at approx. 2:39 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