Greatham Rainfall ForecastUnited KingdomSEWest SussexGreathamToday 15 Feb95%Mon 16 Feb35%Tue 17 Feb10%Wed 18 Feb60%Thu 19 Feb10%Fri 20 Feb55%Sat 21 Feb15%Greatham rainfall forecast issued today at 6:36 pm. Next forecast at approx. 8:36 am.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