St Winnow Rainfall ForecastUnited KingdomSWCornwallSt WinnowToday 21 Nov95%Fri 22 Nov95%Sat 23 Nov95%Sun 24 Nov60%Mon 25 Nov35%Tue 26 Nov40%Wed 27 Nov10%St Winnow rainfall forecast issued today at 12:40 pm. Next forecast at approx. 2:40 am.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