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 last president to be sworn in indoors was Ronald Reagan in 1985, when daytime temperatures dipped to 7 degrees with a windchill of -25 degrees.
—
Andrew Torgan, CNN, 19 Jan. 2025
One day there’s a windchill of -20 degrees, and the next feels like a beautiful spring day.
—Ali Faccenda, People.com, 18 Jan. 2025
The windchill is forecast to reach 5 degrees in the city early Monday morning, a benchmark that the city hits at least once most winters, Mr. Lamers said.
—Judson Jones, New York Times, 16 Jan. 2025
Current morning temps at O’Hare International Airport registered at 12 degrees with a windchill of negative 11 degrees.
—Deanese Williams-Harris, Chicago Tribune, 15 Jan. 2025
See all Example Sentences for windchill 
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Andrew Torgan, CNN, 19 Jan. 2025
One day there’s a windchill of -20 degrees, and the next feels like a beautiful spring day.
—Ali Faccenda, People.com, 18 Jan. 2025
The windchill is forecast to reach 5 degrees in the city early Monday morning, a benchmark that the city hits at least once most winters, Mr. Lamers said.
—Judson Jones, New York Times, 16 Jan. 2025
Current morning temps at O’Hare International Airport registered at 12 degrees with a windchill of negative 11 degrees.
—Deanese Williams-Harris, Chicago Tribune, 15 Jan. 2025
See all Example Sentences for windchill
Dictionary Entries Near windchill
Cite this Entry
“Windchill.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/windchill. Accessed 10 Feb. 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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