St Allen Rainfall ForecastUnited KingdomSWCornwallSt AllenToday 29 Oct95%Thu 30 Oct95%Fri 31 Oct70%Sat 1 Nov20%Sun 2 Nov40%Mon 3 Nov25%Tue 4 Nov25%St Allen rainfall forecast issued today at 12:37 pm. Next forecast at approx. 2:37 am.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