A Few Clouds and Breezy and 81 F at Key West International Airport, FL Posted Saturday, April 27th, 2024 11:17am Winds are from the East at 21.9 gusting to 33.4 MPH (19 gusting to 29 KT). The pressure is 1019.9 mb and the humidity is 67%. The heat index is 84. Last Updated on Apr 27 2024, 10:53 am EDT.