Aviation Digital Data Service (ADDS)

Output produced by TAFs form (0710 UTC 20 July 2018)
found at http://www.aviationweather.gov/adds/tafs/
 
METAR text: EGKK 200650Z VRB03KT CAVOK 18/11 Q1015
Conditions at: EGKK (LONDON/GATWICK A, GB) observed 0650 UTC 20 July 2018
Temperature: 18.0°C (64°F)
Dewpoint: 11.0°C (52°F) [RH = 64%]
Pressure (altimeter): 29.97 inches Hg (1015.0 mb)
Winds: variable direction winds at 3 MPH (3 knots; 1.6 m/s)
Visibility: 6 or more miles (10+ km)
Ceiling: ceiling and visibility are OK
Clouds: unknown
Weather: no significant weather observed at this time

Forecast for: EGKK (LONDON/GATWICK A, GB)
Text: TAF EGKK 200452Z 2006/2112 10005KT 9999 SCT045
Forecast period: 0600 UTC 20 July 2018 to 1200 UTC 21 July 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the E (100 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 or more miles (10+ km)
Clouds: scattered clouds at 4500 feet AGL
Weather: no significant weather forecast for this period
Text: PROB30
Forecast period: 0600 to 2200 UTC 20 July 2018
Forecast type: TEMPORARY: The following changes expected for less than half the time period
Visibility: 4 miles (7 km)
Weather: SHRA  (rain showers)
Text: TEMPO 2006/2022 7000 SHRA
Forecast period: 0300 to 0600 UTC 21 July 2018
Forecast type: PROBABLE: 30 percent likelihood of the following during this time
Visibility: 4 miles (6 km)
Weather: no significant weather forecast for this period