Langstone Harbour - Chalkdock Lake Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Chalkdock LakeToday 15 Sep5%Wed 16 Sep15%Thu 17 Sep60%Fri 18 Sep50%Sat 19 Sep45%Sun 20 Sep10%Mon 21 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Langstone Harbour - Chalkdock Lake rainfall forecast issued today at 7:08 pm. Next forecast at approx. 9:08 am. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads