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Glossary Science & Engineering

Wind chill

Wind chill is the "feels like" temperature that shows how cold exposed skin feels when wind carries heat away.

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In more detail

At 20 °F with a 15 mph wind it feels like about 6 °F. The formula applies at 50 °F or below with wind of at least 3 mph, and wind chill does not change the actual air temperature.

Try these tools

Wind Chill Calculator

Calculate wind chill — the "feels like" temperature from wind speed and air temperature — using the official NWS formula.

See also

  • Glossary Heat index
    The heat index is the "feels like" temperature that combines air temperature and relative humidity to show how hot it seems to the body.
  • Glossary Dew point
    The dew point is the temperature to which air must cool for water vapour to condense into dew; the higher it is, the muggier the air feels.
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