The weather observed at PHOENIX/SKY HRBR, AZ (KPHX) at 10:51 AM PST was: The skies were mostly cloudy. Temperature: 59F ( 15C) Dewpoint: 37F ( 3C) Relative Humidity: 44% Winds from the W (280 degs) at 13 mph. Pressure: 1014.6 millibars. Altimeter:29.99 inches of mercury. The prevailing visibility was 10 miles.