The weather observed at BOSTON, MA (KBOS) at 01:54 AM EDT was: The skies were mostly clear. Temperature: 59F ( 15C) Dewpoint: 42F ( 6C) Relative Humidity: 53% Winds from the SW (220 degs) at 14 mph. Pressure: 1015.7 millibars. Altimeter:30.00 inches of mercury. The prevailing visibility was 10 miles. The maximum temperature in the past 6 hours was 65F. The minimum temperature in the past 6 hours was 57F.