Trevithick Rainfall ForecastUnited KingdomSWCornwallTrevithickToday 17 Apr90%Thu 18 Apr10%Fri 19 Apr10%Sat 20 Apr5%Sun 21 AprNo RainMon 22 Apr5%Tue 23 Apr10%Trevithick rainfall forecast issued today at 7:47 pm. Next forecast at approx. 9:47 am.1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Predannack (Cornwall) RadarNational SatelliteNational SynopticGet an account to remove ads