St Allen Rainfall ForecastUnited KingdomSWCornwallSt AllenToday 12 JulNo RainMon 13 Jul80%Tue 14 Jul15%Wed 15 Jul45%Thu 16 Jul5%St Allen rainfall forecast issued today at 12:31 pm. Next forecast at approx. 2:31 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time National RadarNational SatelliteNational SynopticGet an account to remove ads