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Weather Conditions observed on 2025/09/18 at 01:50 UTC at LONDON/HEATHROW, UK (EGLL)
Sky conditions: overcast.
Temperature: 18.0 Celsius.
Dewpoint: 16.0 Celsius.
Relative Humidity: 88%
Humidex 23.
Winds: Southwest at 20 km/h or 11 knots.
Mean Sea level Pressure: 101.70 kilopascals.
Horizontal visibility: 6.21 statute miles or 9.94 kilometers.
Height of the Ceiling: 335 metres ( 1100 feet ).
Coded METAR:
EGLL 180150Z AUTO 22011KT 9999 OVC011 18/16 Q1017=