The weather observed at BOSTON, MA (KBOS) at 09:54 PM EDT was: The skies were cloudy. Temperature: 64F ( 18C) Dewpoint: 46F ( 8C) Relative Humidity: 52% Winds from the SW (220 degs) at 23 mph. Pressure: 1009.6 millibars. Altimeter:29.82 inches of mercury. The prevailing visibility was 10 miles.