Langstone Harbour Rainfall ForecastUnited KingdomSEHampshireLangstone HarbourToday 25 Jun30%Fri 26 Jun5%Sat 27 Jun10%Sun 28 Jun10%Mon 29 Jun5%Tue 30 Jun35%Langstone Harbour rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.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