St Ives Rainfall ForecastUnited KingdomSWCornwallSt IvesToday 18 Sep10%Fri 19 Sep75%Sat 20 Sep75%Sun 21 Sep40%Mon 22 Sep30%Tue 23 Sep10%St Ives 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