Tregatta Rainfall ForecastUnited KingdomSWCornwallTregattaToday 26 Sep15%Sun 27 Sep85%Mon 28 Sep10%Tue 29 Sep80%Wed 30 Sep30%Thu 1 Oct15%1-Day3-Day5-Day Graph Plots Open in Graphs Rainfall Probability Forecast Met Office Rain Today Real-Time Tregatta rainfall forecast issued today at 1:09 am. Next forecast at approx. 3:09 pm. Rainfall Rainfall AccumulationPredannack (Cornwall) RadarGet WillyWeather+ to remove ads