The Folly Rainfall ForecastUnited KingdomEEHertfordshireThe FollyToday 29 Aug80%Sat 30 Aug95%Sun 31 Aug35%Mon 1 Sep60%Tue 2 Sep45%Wed 3 Sep55%Thu 4 Sep50%The Folly rainfall forecast issued today at 7:36 pm. Next forecast at approx. 9:36 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