Langstone Harbour - Sinah Lake Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Sinah LakeToday 23 Apr10%Wed 24 Apr10%Thu 25 Apr45%Fri 26 Apr20%Sat 27 Apr60%Sun 28 Apr55%Mon 29 Apr10%Langstone Harbour - Sinah Lake rainfall forecast issued today at 7:38 pm. Next forecast at approx. 9:38 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 an account to remove ads