Aviation Digital Data Service (ADDS)

Output produced by METARs form (2002 UTC 18 April 2021)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: KNHK (PATUXENT RIVER , MD, US)
Text: TAF KNHK 1815/1915 32005KT 9999 SCT040 BKN100 QNH2986INS
Forecast period: 1500 to 1800 UTC 18 April 2021
Forecast type: FROM: standard forecast or significant change
Winds: from the NW (320 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 10000 feet AGL
Clouds: scattered clouds at 4000 feet AGL
broken clouds at 10000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 1818/1820 VRB06KT SCT100 QNH2985INS
Forecast period: 1800 UTC 18 April 2021 to 0800 UTC 19 April 2021
Forecast type: BECOMING: Conditions expected to become as follows by 2000 UTC 18 April 2021
Winds: variable direction winds at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: scattered clouds at 10000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 1908/1910 18006KT 9999 VCSH SCT030 BKN045 QNH2988INS
Forecast period: 0800 to 1000 UTC 19 April 2021
Forecast type: BECOMING: Conditions expected to become as follows by 1000 UTC 19 April 2021
Winds: from the S (180 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 4500 feet AGL
Clouds: scattered clouds at 3000 feet AGL
broken clouds at 4500 feet AGL
Weather: VCSH  (showers in vicinity)
Text: BECMG 1910/1912 VRB06KT 4800 SHRA BKN040 OVC100 QNH2985INS T15/1821Z T10/1909Z FN00231
Forecast period: 1000 to 1500 UTC 19 April 2021
Forecast type: BECOMING: Conditions expected to become as follows by 1200 UTC 19 April 2021
Winds: variable direction winds at 7 MPH (6 knots; 3.1 m/s)
Visibility: 2.98 miles (4.80 km)
Ceiling: 4000 feet AGL
Clouds: broken clouds at 4000 feet AGL
overcast cloud deck at 10000 feet AGL
Weather: SHRA  (rain showers)