Round Island Rainfall ForecastUnited KingdomSWDorsetRound IslandToday 15 Dec95%Tue 16 Dec5%Wed 17 Dec85%Thu 18 Dec85%Fri 19 Dec20%Sat 20 Dec55%Sun 21 Dec10%Round Island rainfall forecast issued today at 12:39 pm. Next forecast at approx. 2:39 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