// METAR

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

Guide

How to Read a METAR (Full Guide)

Educational reference. Operational use requires verified METAR from the issuing authority. See Terms of Service.