Porth Joke Rainfall ForecastUnited KingdomSWCornwallPorth JokeToday 14 Dec95%Mon 15 Dec95%Tue 16 Dec15%Wed 17 Dec85%Thu 18 Dec90%Fri 19 Dec50%Porth Joke rainfall forecast issued today at 6:36 am. Next forecast at approx. 8:36 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