Trewassa Wind ForecastUnited KingdomSWCornwallTrewassa1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Met OfficeWind Real-Time Trewassa wind forecast issued today at 7:09 am. Next forecast at approx. 7:09 pm. Wind Speed Wind GustTrewassa Wind Statistics August WindCardinham (17km)2026JulyAugustStrongest 11 August, 202620.1mph SEAverage August6.9mphStrongest 26 July, 202624.6mph NWAverage July6.8mphStrongest 8 January, 202649.2mph NNWAverage 20269.1mphClimate (2021–2026)Cardinham (17km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 8 January, 202649.2mph NNWAverage 2021–20268.9mphWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average August15%8.75%2.5%CalmStrongAugust Wind RoseAugust (5 Year Average)5 Year Average Annual5 Year Average August20%11.25%2.5%CalmStrongGet WillyWeather+ to remove ads