Porth Joke Rainfall ForecastUnited KingdomSWCornwallPorth JokeToday 17 Jul50%Fri 18 Jul10%Sat 19 Jul65%Sun 20 Jul65%Mon 21 Jul50%Tue 22 Jul15%Wed 23 Jul10%Porth Joke 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