St Michael Caerhays Rainfall ForecastUnited KingdomSWCornwallSt Michael CaerhaysToday 18 Dec100%Fri 19 Dec70%Sat 20 Dec85%Sun 21 Dec15%Mon 22 Dec15%Tue 23 Dec15%St Michael Caerhays rainfall forecast issued today at 12:36 am. Next forecast at approx. 2:36 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