St Helens Rainfall ForecastUnited KingdomNWMerseysideSt HelensToday 4 Jul90%Sat 5 Jul55%Sun 6 Jul55%Mon 7 Jul15%Tue 8 Jul10%Wed 9 Jul10%St Helens 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