Mawnan Smith Rainfall ForecastUnited KingdomSWCornwallMawnan SmithToday 23 May45%Sat 24 May90%Sun 25 May10%Mon 26 May50%Tue 27 May50%Wed 28 May20%Mawnan Smith rainfall forecast issued today at 7:37 am. Next forecast at approx. 9:37 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