The weather observed at HOUSTON/INTNL, TX (KIAH) at 06:53 PM CST was: The skies were partly cloudy. Temperature: 43F ( 6C) Dewpoint: 19F ( -7C) Relative Humidity: 39% Winds from the N (350 degs) at 7 mph. Pressure: 1024.7 millibars. Altimeter:30.26 inches of mercury. The prevailing visibility was 10 miles.