South Marston Rainfall ForecastUnited KingdomSWWiltshireSouth MarstonToday 26 Apr75%Sat 27 Apr85%Sun 28 Apr90%Mon 29 Apr5%Tue 30 Apr15%Wed 1 May35%South Marston 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