Water End (Welwyn Hatfield) Rainfall ForecastUnited KingdomEEHertfordshireWater End (Welwyn Hatfield)Today 2 Apr55%Fri 3 Apr60%Sat 4 Apr50%Sun 5 Apr5%Mon 6 Apr5%Tue 7 Apr50%Water End (Welwyn Hatfield) rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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