Christchurch Harbour Rainfall ForecastUnited KingdomSWDorsetChristchurch HarbourToday 1 Aug5%Sun 2 Aug5%Mon 3 Aug5%Tue 4 Aug15%Wed 5 Aug10%Thu 6 Aug5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Christchurch Harbour rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationDean Hill (Wiltshire) RadarGet WillyWeather+ to remove ads