Langstone Harbour - Long Island Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Long IslandToday 7 Jan50%Thu 8 Jan95%Fri 9 Jan50%Sat 10 Jan10%Sun 11 Jan75%Mon 12 Jan45%Tue 13 Jan45%Langstone Harbour - Long Island rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 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