Portsmouth Harbour - Burrow Island Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Burrow IslandToday 4 Feb90%Thu 5 Feb90%Fri 6 Feb65%Sat 7 Feb40%Sun 8 Feb10%Mon 9 Feb15%Tue 10 Feb40%Portsmouth Harbour - Burrow Island rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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