St Austell Rainfall ForecastUnited KingdomSWCornwallSt AustellToday 31 Oct95%Sat 1 Nov90%Sun 2 Nov35%Mon 3 Nov85%Tue 4 Nov65%Wed 5 Nov80%Thu 6 Nov55%St Austell rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads