Langstone Harbour - Chalkdock Lake Rainfall ForecastUnited KingdomSEHampshireLangstone Harbour - Chalkdock LakeToday 1 May5%Sat 2 May90%Sun 3 May25%Mon 4 May15%Tue 5 May10%Wed 6 May10%Langstone Harbour - Chalkdock Lake rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.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