Aviation Digital Data Service (ADDS)

Output produced by METARs form (0600 UTC 18 January 2018)
found at http://www.aviationweather.gov/adds/metars/
 
METAR text: KNHK 180352Z 34014KT 10SM SCT065 SCT090 M04/M13 A3026 RMK SLP246 T10441133
Conditions at: KNHK (PATUXENT RIVER , MD, US) observed 0352 UTC 18 January 2018
Temperature: -4.4°C (24°F)
Dewpoint: -13.3°C (8°F) [RH = 50%]
Pressure (altimeter): 30.26 inches Hg (1024.8 mb)
[Sea-level pressure: 1024.6 mb]
Winds: from the NNW (340 degrees) at 16 MPH (14 knots; 7.3 m/s)
Visibility: 10 or more miles (16+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 6500 feet AGL
scattered clouds at 9000 feet AGL
Weather: no significant weather observed at this time