Dean Rainfall ForecastUnited KingdomSEHampshireDeanToday 18 Jan45%Mon 19 Jan50%Tue 20 Jan20%Wed 21 Jan45%Thu 22 Jan65%Fri 23 Jan45%Dean rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Dean Hill (Wiltshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads