windchill
noun
wind·chill
ˈwin(d)-ˌchil 
: a still-air temperature that would have the same cooling effect on exposed human skin as a given combination of temperature and wind speed
called also chill factor, windchill factor, windchill index
Examples of windchill in a Sentence
It's cold outside, and it feels even colder because of the windchill.
Expect windchills in the 20s tonight.
Recent Examples on the Web
The storm was expected to weaken by Sunday night, followed by arctic conditions with overnight windchill temperatures at or plummeting below zero degrees (-18 Celsius).
—
CBS News, 14 Dec. 2025
Shelter will activate when temperature is 25 degrees or below; 15-degree windchill or below; or precipitation with a windchill of 25 degrees.
—Katie Wiseman, IndyStar, 12 Dec. 2025
Per Chris Emma of 670 The Score, the temperature for the noon E.T. kickoff is expected to be around 10 degrees Fahrenheit with a windchill of -10 degrees.
—Jordan Sigler, MSNBC Newsweek, 10 Dec. 2025
When the temps start to drop and the windchill begins to bite, most people take their workouts indoors.
—Kristen Geil, Outside, 8 Dec. 2025
See All Example Sentences for windchill
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CBS News, 14 Dec. 2025
Shelter will activate when temperature is 25 degrees or below; 15-degree windchill or below; or precipitation with a windchill of 25 degrees.
—Katie Wiseman, IndyStar, 12 Dec. 2025
Per Chris Emma of 670 The Score, the temperature for the noon E.T. kickoff is expected to be around 10 degrees Fahrenheit with a windchill of -10 degrees.
—Jordan Sigler, MSNBC Newsweek, 10 Dec. 2025
When the temps start to drop and the windchill begins to bite, most people take their workouts indoors.
—Kristen Geil, Outside, 8 Dec. 2025
See All Example Sentences for windchill
Cite this Entry
“Windchill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/windchill. Accessed 26 Dec. 2025.
Copy CitationKids Definition
windchill
noun
wind·chill
-ˌchil
: a still-air temperature that would have the same cooling effect on exposed human flesh as a given combination of temperature and wind speed
called also windchill factor, windchill index
Medical Definition
windchill
noun
wind·chill
ˈwin(d)-ˌchil
: a still-air temperature that would have the same cooling effect on exposed human skin as a given combination of temperature and wind speed
called also chill factor, windchill factor, windchill index
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