Allen's Green Rainfall ForecastUnited KingdomEEHertfordshireAllen's GreenToday 16 Dec50%Wed 17 Dec85%Thu 18 Dec90%Fri 19 Dec15%Sat 20 Dec70%Sun 21 Dec15%Allen's Green rainfall forecast issued today at 12:37 am. Next forecast at approx. 2:37 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Chenies (Hertfordshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads