River Mersey Entrance Rainfall ForecastUnited KingdomNWMerseysideRiver Mersey EntranceToday 1 Jan50%Fri 2 Jan15%Sat 3 JanNo RainSun 4 Jan5%Mon 5 Jan10%Tue 6 Jan15%River Mersey Entrance rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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