Water End (Welwyn Hatfield) Rainfall ForecastUnited KingdomEEHertfordshireWater End (Welwyn Hatfield)Today 15 Sep20%Wed 16 Sep15%Thu 17 Sep50%Fri 18 Sep15%Sat 19 Sep15%Sun 20 Sep5%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Water End (Welwyn Hatfield) rainfall forecast issued today at 1:08 am. Next forecast at approx. 3:08 pm. Rainfall Rainfall AccumulationChenies (Hertfordshire) RadarGet WillyWeather+ to remove ads