Porth Joke Rainfall ForecastUnited KingdomSWCornwallPorth JokeToday 10 Sep55%Fri 11 Sep35%Sat 12 Sep20%Sun 13 Sep15%Mon 14 Sep15%Tue 15 Sep25%Wed 16 Sep10%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Porth Joke rainfall forecast issued today at 1:10 pm. Next forecast at approx. 3:10 am. Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads