Langstone Harbour - Long Island Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Long IslandToday 7 AprNo RainWed 8 AprNo RainThu 9 Apr5%Fri 10 Apr10%Sat 11 Apr15%Sun 12 Apr10%Mon 13 Apr15%Langstone Harbour - Long Island rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 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