Mounts Bay Rainfall ForecastUnited KingdomSWCornwallMounts BayToday 26 May50%Wed 27 May30%Thu 28 May35%Fri 29 May10%Sat 30 May20%Sun 31 May50%Mon 1 Jun55%Mounts Bay rainfall forecast issued today at 7:36 am. Next forecast at approx. 9:36 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