River Thames - HMS Belfast Rainfall ForecastUnited KingdomSEGreater LondonRiver Thames - HMS BelfastToday 17 Dec95%Thu 18 Dec95%Fri 19 DecNo RainSat 20 Dec25%Sun 21 Dec25%Mon 22 Dec15%Tue 23 Dec15%River Thames - HMS Belfast rainfall forecast issued today at 6:37 pm. Next forecast at approx. 8:37 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Chenies (Hertfordshire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads