Langstone Harbour - Sinah Lake Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Sinah LakeToday 3 Jun90%Thu 4 Jun65%Fri 5 Jun50%Sat 6 Jun55%Sun 7 Jun10%Mon 8 Jun15%Langstone Harbour - Sinah Lake rainfall forecast issued yesterday at 7:36 pm. Next forecast at approx. 9:36 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