Reference Tool
METAR Decoder
METAR (Meteorological Aerodrome Report) is the standard format for aviation weather observations. Each report packs wind, visibility, weather, cloud, temperature, pressure, and trend into a dense string. This page walks through the structure with worked examples.
Example and Decode
METAR EGLL 211250Z 24015G25KT 9999 SCT025 BKN040 15/10 Q1012 NOSIG
- METARroutine report
- EGLLLondon Heathrow ICAO
- 211250Zday 21 at 12:50 UTC
- 24015G25KTwind from 240° at 15 knots, gusting 25
- 9999visibility 10+ km
- SCT025 BKN040scattered at 2,500 ft, broken at 4,000 ft
- 15/10temp 15°C, dewpoint 10°C
- Q1012altimeter 1012 hPa (QNH)
- NOSIGno significant change expected
Cloud Cover Codes
FEW
Few — 1-2 oktas
SCT
Scattered — 3-4 oktas
BKN
Broken — 5-7 oktas
OVC
Overcast — 8 oktas
Educational reference. Operational use requires verified METAR from the issuing authority. See Terms of Service.