The weather observed at NYC/LA GUARDIA, NY (KLGA) at 01:51 PM EST was: The skies were mostly cloudy. Temperature: 36F ( 2C) Dewpoint: 12F (-11C) Relative Humidity: 38% Winds from the SSW(200 degs) at 3 mph. Pressure: 1019.6 millibars. Altimeter:30.11 inches of mercury. The prevailing visibility was 10 miles.