Portsmouth Harbour - Burrow Island Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Burrow IslandToday 7 Nov50%Sun 8 Nov15%Mon 9 Nov60%Tue 10 Nov65%Wed 11 Nov55%Thu 12 Nov50%Fri 13 Nov30%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Portsmouth Harbour - Burrow Island rainfall forecast issued today at 6:09 am. Next forecast at approx. 8:09 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads