Portsmouth Harbour - Salterns Quay Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Salterns QuayToday 3 Jul5%Sat 4 Jul5%Sun 5 Jul5%Mon 6 Jul5%Tue 7 JulNo RainWed 8 Jul10%Thu 9 JulNo RainPortsmouth Harbour - Salterns Quay rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads