Upperton Rainfall ForecastUnited KingdomSEWest SussexUppertonToday 26 Feb95%Fri 27 Feb85%Sat 28 Feb80%Sun 1 Mar60%Mon 2 Mar40%Tue 3 Mar10%Wed 4 Mar5%Upperton rainfall forecast issued today at 6:35 am. Next forecast at approx. 8:35 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