The weather observed at SALT LAKE CITY, UT (KSLC) at 03:54 AM MDT was: The skies were cloudy. Temperature: 54F ( 12C) Dewpoint: 43F ( 6C) Relative Humidity: 67% Winds from the S (170 degs) at 7 mph. Pressure: 1002.9 millibars. Altimeter:29.72 inches of mercury. The prevailing visibility was 10 miles. There has been 0.00 inches of precipitation in the past hour.