Hayes (Hillingdon) Rainfall ForecastUnited KingdomSEGreater LondonHayes (Hillingdon)Today 17 Jul50%Fri 18 Jul60%Sat 19 Jul65%Sun 20 Jul40%Mon 21 Jul65%Tue 22 Jul40%Hayes (Hillingdon) 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