Holywell Rainfall ForecastUnited KingdomSWCornwallHolywellToday 19 Apr10%Sun 20 Apr50%Mon 21 Apr50%Tue 22 Apr60%Wed 23 Apr25%Thu 24 Apr30%Fri 25 Apr15%Holywell rainfall forecast issued today at 1:37 pm. Next forecast at approx. 3:37 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