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
In 2013 the festival was hit with -17 °F temperatures, plus a drastic windchill that brought temps down to -36°F to -58°F.
—
Sophie Liza Cannon, Forbes.com, 3 June 2025
Our 160-acre farm was in Barton, Vermont, where temperatures hit 39 degrees below zero one winter (before windchill, and those Vermont winds sure can howl).
—John Klar, Christian Science Monitor, 29 Apr. 2025
The weather forecast for Washington, D.C., with the windchill factor, could take temperatures into severe record lows.
—Yaakov Katz, Newsweek, 17 Jan. 2025
Officials also said the low windchills are expected to stick around until Thursday when snow was expected.
—Deanese Williams-Harris, Chicago Tribune, 15 Jan. 2025
See All Example Sentences for windchill
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Sophie Liza Cannon, Forbes.com, 3 June 2025
Our 160-acre farm was in Barton, Vermont, where temperatures hit 39 degrees below zero one winter (before windchill, and those Vermont winds sure can howl).
—John Klar, Christian Science Monitor, 29 Apr. 2025
The weather forecast for Washington, D.C., with the windchill factor, could take temperatures into severe record lows.
—Yaakov Katz, Newsweek, 17 Jan. 2025
Officials also said the low windchills are expected to stick around until Thursday when snow was expected.
—Deanese Williams-Harris, Chicago Tribune, 15 Jan. 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 10 Jun. 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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