Watford Gap Rainfall ForecastUnited KingdomEMNorthamptonshireWatford GapToday 5 JanNo RainTue 6 Jan80%Wed 7 Jan20%Thu 8 Jan80%Fri 9 Jan80%Sat 10 Jan80%Watford Gap rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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