The weather observed at MIAMI, FL (KMIA) at 04:53 AM EDT was: The skies were partly cloudy. Temperature: 81F ( 27C) Dewpoint: 73F ( 23C) Relative Humidity: 77% Winds from the NNW(340 degs) at 3 mph. Pressure: 1019.0 millibars. Altimeter:30.09 inches of mercury. The prevailing visibility was 10 miles.