Watford Rainfall ForecastUnited KingdomEMNorthamptonshireWatfordToday 2 Dec60%Wed 3 Dec65%Thu 4 Dec20%Fri 5 Dec90%Sat 6 Dec35%Sun 7 Dec40%Mon 8 Dec45%Watford rainfall forecast issued today at 12:36 pm. Next forecast at approx. 2:36 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