Sydenham Rainfall ForecastUnited KingdomNIBelfastSydenhamToday 8 Feb80%Mon 9 Feb85%Tue 10 Feb60%Wed 11 Feb80%Thu 12 Feb75%Fri 13 Feb35%Sat 14 Feb10%Sydenham 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 Castor Bay (Lurgan) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads