St Michael Caerhays Rainfall ForecastUnited KingdomSWCornwallSt Michael CaerhaysToday 7 Sep95%Mon 8 Sep60%Tue 9 Sep60%Wed 10 Sep55%Thu 11 Sep55%Fri 12 Sep40%St Michael Caerhays 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 Predannack (Cornwall) RadarNational SatelliteNational SynopticGet WillyWeather+ to remove ads