River Test - Marchwood Military Port Rainfall ForecastUnited KingdomSEHampshireRiver Test - Marchwood Military PortToday 16 Sep90%Wed 17 Sep85%Thu 18 Sep20%Fri 19 Sep15%Sat 20 Sep40%Sun 21 Sep40%Mon 22 Sep10%River Test - Marchwood Military Port 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 WillyWeather+ to remove ads