Weymouth Harbour Rainfall ForecastUnited KingdomSWDorsetWeymouth HarbourToday 9 Mar20%Tue 10 Mar90%Wed 11 Mar50%Thu 12 Mar85%Fri 13 Mar45%Sat 14 Mar15%Weymouth Harbour rainfall forecast issued today at 12:35 am. Next forecast at approx. 2:35 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