London Colney Rainfall ForecastUnited KingdomEEHertfordshireLondon ColneyToday 21 Jul10%Wed 22 Jul5%Thu 23 Jul15%Fri 24 Jul5%Sat 25 Jul10%Sun 26 Jul20%Mon 27 Jul10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time London Colney rainfall forecast issued today at 7:33 pm. Next forecast at approx. . Rainfall Rainfall AccumulationChenies (Hertfordshire) RadarGet WillyWeather+ to remove ads