Langstone Harbour - Sinah Lake Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Sinah LakeToday 18 Jul5%Sun 19 Jul5%Mon 20 JulNo RainTue 21 JulNo RainWed 22 JulNo RainThu 23 Jul5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Langstone Harbour - Sinah Lake rainfall forecast issued today at 3:09 am. Next forecast at approx. . Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads