The weather observed at NYC/LA GUARDIA, NY (KLGA) at 10:51 PM EDT was: The skies were partly cloudy. Temperature: 71F ( 22C) Dewpoint: 63F ( 17C) Relative Humidity: 76% Winds from the SW (230 degs) at 3 mph. Pressure: 1005.4 millibars. Altimeter:29.69 inches of mercury. The prevailing visibility was 10 miles. There has been 0.03 inches of precipitation in the past 6 hours.