Aviation Digital Data Service (ADDS)

Output produced by METARs form (0414 UTC 26 June 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: RJTT (TOKYO INTL AIRPO, JP)
Text: TAF RJTT 252305Z 2600/2706 18008KT 9999 FEW020
Forecast period: 0000 to 0300 UTC 26 June 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the S (180 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 2000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 2603/2605 18018KT
Forecast period: 0300 to 1800 UTC 26 June 2019
Forecast type: BECOMING: Conditions expected to become as follows by 0500 UTC 26 June 2019
Winds: from the S (180 degrees) at 21 MPH (18 knots; 9.3 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 2000 feet AGL
Weather: no significant weather forecast for this period
Text: BECMG 2618/2621 20008KT
Forecast period: 1800 UTC 26 June 2019 to 0600 UTC 27 June 2019
Forecast type: BECOMING: Conditions expected to become as follows by 2100 UTC 26 June 2019
Winds: from the SSW (200 degrees) at 9 MPH (8 knots; 4.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 2000 feet AGL
Weather: no significant weather forecast for this period