Portsmouth Harbour - Port Solent Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Port SolentToday 7 Aug5%Sat 8 Aug10%Sun 9 Aug5%Mon 10 AugNo RainTue 11 AugNo RainWed 12 AugNo RainThu 13 AugNo Rain1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portsmouth Harbour - Port Solent rainfall forecast issued today at 7:10 am. Next forecast at approx. 9:10 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads