Langstone Harbour - Long Island Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Long IslandToday 3 Aug5%Tue 4 AugNo RainWed 5 Aug10%Thu 6 Aug5%Fri 7 AugNo RainLangstone Harbour - Long Island rainfall forecast issued today at 3:31 pm. Next forecast at approx. 5:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads