Aviation Digital Data Service (ADDS)

Output produced by TAFs form (2349 UTC 18 February 2018)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: RJTT 182330Z 04006KT 9999 FEW030 BKN050 BKN/// 03/M07 Q1022 NOSIG
Conditions at: RJTT (TOKYO INTL AIRPO, JP) observed 2330 UTC 18 February 2018
Temperature: 3.0°C (37°F)
Dewpoint: -7.0°C (19°F) [RH = 48%]
Pressure (altimeter): 30.18 inches Hg (1022.0 mb)
Winds: from the NE (40 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: 5000 feet AGL
Clouds: few clouds at 3000 feet AGL
broken clouds at 5000 feet AGL
Weather: no significant weather observed at this time

Forecast for: RJTT (TOKYO INTL AIRPO, JP)
Text: TAF RJTT 182305Z 1900/2006 04008KT 9999 FEW030
Forecast period: 0000 to 0200 UTC 19 February 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the NE (40 degrees) at 9 MPH (8 knots; 4.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 3000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 1902/1904 18008KT
Forecast period: 0200 to 1200 UTC 19 February 2018
Forecast type: BECOMING: Conditions expected to become as follows by 0400 UTC 19 February 2018
Winds: from the S (180 degrees) at 9 MPH (8 knots; 4.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 3000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 1912/1915 36010KT
Forecast period: 1200 UTC 19 February 2018 to 0300 UTC 20 February 2018
Forecast type: BECOMING: Conditions expected to become as follows by 1500 UTC 19 February 2018
Winds: from the N (360 degrees) at 12 MPH (10 knots; 5.2 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 3000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 2003/2006 12006KT
Forecast period: 0300 to 0600 UTC 20 February 2018
Forecast type: BECOMING: Conditions expected to become as follows by 0600 UTC 20 February 2018
Winds: from the ESE (120 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: few clouds at 3000 feet AGL
Weather: no significant weather forecast for this period