Watford Gap Rainfall ForecastUnited KingdomEMNorthamptonshireWatford GapToday 4 Jul80%Sat 5 Jul20%Sun 6 Jul20%Mon 7 Jul15%Tue 8 JulNo RainWed 9 JulNo RainWatford Gap rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 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