Hemel Hempstead Rainfall ForecastUnited KingdomEEHertfordshireHemel HempsteadToday 3 Nov10%Tue 4 Nov55%Wed 5 Nov10%Thu 6 Nov10%Fri 7 Nov55%Sat 8 Nov15%Hemel Hempstead 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