River Mersey Entrance Rainfall ForecastUnited KingdomNWMerseysideRiver Mersey EntranceToday 18 Sep90%Fri 19 Sep85%Sat 20 Sep85%Sun 21 Sep75%Mon 22 Sep5%Tue 23 Sep5%Wed 24 Sep10%River Mersey Entrance rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Hameldon Hill (Lancashire) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads