Mostly Cloudy and 79 F at Key West International Airport, FL Posted Friday, May 3rd, 2024 12:38am Winds are from the East at 8.1 gusting to 19.6 MPH (7 gusting to 17 KT). The pressure is 1013.9 mb and the humidity is 77%. Last Updated on May 3 2024, 12:53 am EDT.