---
title: "outside air temperature — aviation glossary — OnlyPlanes"
description: "OAT stands for outside air temperature in FAA terminology."
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locale: en
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Aviation abbreviation

# outside air temperature

OAT

ABBR · Meteorology

At a glance

## Meaning of outside air temperature

OAT stands for outside air temperature in FAA terminology.

### More about outside air temperature

This abbreviation is used in aviation weather. The English reference lists outside air temperature with the abbreviation OAT.

FAA abbreviations reflect US aviation usage. Their meaning and permitted use can differ in documents from other countries.

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