Portsmouth Harbour - Burrow Island Rainfall ForecastUnited KingdomSEHampshirePortsmouth Harbour - Burrow IslandToday 23 JunNo RainWed 24 JunNo RainThu 25 Jun50%Fri 26 Jun35%Sat 27 Jun30%Sun 28 Jun10%Mon 29 Jun5%Portsmouth Harbour - Burrow Island rainfall forecast issued today at 7:35 pm. Next forecast at approx. 9:35 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) Radar Rainfall Rainfall AccumulationGet WillyWeather+ to remove ads