Sydenham Rainfall ForecastUnited KingdomNIBelfastSydenhamToday 21 Oct95%Wed 22 Oct65%Thu 23 Oct10%Fri 24 Oct20%Sat 25 Oct10%Sun 26 Oct45%Mon 27 Oct10%Sydenham rainfall forecast issued today at 1:36 pm. Next forecast at approx. 3:36 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads