Merston Rainfall ForecastUnited KingdomSEWest SussexMerstonToday 28 Apr65%Mon 29 AprNo RainTue 30 Apr30%Wed 1 May50%Thu 2 May20%Fri 3 May35%Merston rainfall forecast issued today at 7:38 am. Next forecast at approx. 9:38 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 an account to remove ads