Watford Gap Rainfall ForecastUnited KingdomEMNorthamptonshireWatford GapToday 20 Dec20%Sun 21 Dec95%Mon 22 Dec15%Tue 23 Dec10%Wed 24 Dec10%Thu 25 Dec5%Fri 26 Dec15%Watford Gap rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 am.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