Portsmouth Harbour - Burrow Island Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Burrow IslandToday 29 Mar65%Sat 30 Mar5%Sun 31 Mar20%Mon 1 Apr40%Tue 2 Apr75%Wed 3 Apr55%Thu 4 Apr20%Portsmouth Harbour - Burrow Island rainfall forecast issued today at 12:43 pm. Next forecast at approx. 2:43 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 an account to remove ads