St Austell Rainfall ForecastUnited KingdomSWCornwallSt AustellToday 6 Jul5%Tue 7 Jul10%Wed 8 Jul15%Thu 9 Jul15%Fri 10 JulNo RainSat 11 Jul5%St Austell rainfall forecast issued today at 1:36 am. Next forecast at approx. 3:36 pm.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads