Letchworth Garden City Rainfall ForecastUnited KingdomEEHertfordshireLetchworth Garden CityToday 12 Sep80%Sun 13 Sep55%Mon 14 Sep10%Tue 15 Sep45%Wed 16 Sep10%Thu 17 Sep30%Fri 18 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Letchworth Garden City rainfall forecast issued today at 7:08 am. Next forecast at approx. 9:08 pm. Rainfall Rainfall AccumulationChenies (Hertfordshire) RadarGet WillyWeather+ to remove ads