Aviation Digital Data Service (ADDS)

Output produced by TAFs form (1422 UTC 16 July 2018)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: EGLL 161350Z AUTO VRB07KT 9999 NCD 27/07 Q1012 NOSIG
Conditions at: EGLL (LONDON/HEATHROW , GB) observed 1350 UTC 16 July 2018
Temperature: 27.0°C (81°F)
Dewpoint: 7.0°C (45°F) [RH = 28%]
Pressure (altimeter): 29.88 inches Hg (1012.0 mb)
Winds: variable direction winds at 8 MPH (7 knots; 3.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: sky clear below 12,000 feet AGL
Weather: no significant weather observed at this time

Forecast for: EGLL (LONDON/HEATHROW , GB)
Text: TAF EGLL 161051Z 1612/1718 27006KT CAVOK
Forecast period: 1200 UTC 16 July 2018 to 1800 UTC 17 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the W (270 degrees) at 7 MPH (6 knots; 3.1 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: not forecast
Weather: NSW  (no significant weather)