heat index
(US, meteorology) A figure used by American meteorologists to describe the apparent heat felt by a person as the result of a combination of temperature and humidity.
Seen in the wild
Bel Air, MD, USA Weather: 05/05@3 PM EDT | Temperature: 78.6*F Rising(Lo: 55*F/ Hi: 79.5*F) Heat Index: 78.6*F | Humidity: 45% | Pressure: 29.58in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 18.1(6) mph ESE #…
Bel Air, MD, USA Weather: 05/05@3 AM EDT | Temperature: 59.4*F Falling(Lo: 59*F/ Hi: 61.9*F) Heat Index: 59.4*F | Humidity: 81% | Pressure: 29.6in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 7(3) mph NW #weat…
Bel Air, MD, USA Weather: 05/05@12 PM EDT | Temperature: 74.7*F Falling(Lo: 55*F/ Hi: 77.2*F) Heat Index: 77.5*F | Humidity: 49% | Pressure: 29.63in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 9(7) mph W #wea…
Bel Air, MD, USA Weather: 05/05@1 PM EDT | Temperature: 76.5*F Rising(Lo: 55*F/ Hi: 77.4*F) Heat Index: 76.5*F | Humidity: 48% | Pressure: 29.62in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 12(9) mph WNW #we…
Bel Air, MD, USA Weather: 05/05@2 PM EDT | Temperature: 77.4*F Rising(Lo: 55*F/ Hi: 78.3*F) Heat Index: 77.4*F | Humidity: 48% | Pressure: 29.6in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 12(6) mph W #weath…
Definitions
(US, meteorology) A figure used by American meteorologists to describe the apparent heat felt by a person as the result of a combination of temperature and humidity.
“Bel Air, MD, USA Weather: 05/05@3 PM EDT | Temperature: 78.6*F Rising(Lo: 55*F/ Hi: 79.5*F) Heat Index: 78.6*F | Humidity: 45% | Pressure: 29.58in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 18.1(6) mph ESE #weather #currentweather https://belairmdwx.hometownnerd.org”
— Bluesky· May 2026“Bel Air, MD, USA Weather: 05/05@3 AM EDT | Temperature: 59.4*F Falling(Lo: 59*F/ Hi: 61.9*F) Heat Index: 59.4*F | Humidity: 81% | Pressure: 29.6in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 7(3) mph NW #weather #currentweather https://belairmdwx.hometownnerd.org”
— Bluesky· May 2026“Bel Air, MD, USA Weather: 05/05@12 PM EDT | Temperature: 74.7*F Falling(Lo: 55*F/ Hi: 77.2*F) Heat Index: 77.5*F | Humidity: 49% | Pressure: 29.63in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 9(7) mph W #weather #currentweather https://belairmdwx.hometownnerd.org”
— Bluesky· May 2026“Bel Air, MD, USA Weather: 05/05@1 PM EDT | Temperature: 76.5*F Rising(Lo: 55*F/ Hi: 77.4*F) Heat Index: 76.5*F | Humidity: 48% | Pressure: 29.62in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 12(9) mph WNW #weather #currentweather https://belairmdwx.hometownnerd.org”
— Bluesky· May 2026“Bel Air, MD, USA Weather: 05/05@2 PM EDT | Temperature: 77.4*F Rising(Lo: 55*F/ Hi: 78.3*F) Heat Index: 77.4*F | Humidity: 48% | Pressure: 29.6in | Rain (Hr/Day/Mnth/Yr): 0in/0in/0in/14.66in | Wind: 12(6) mph W #weather #currentweather https://belairmdwx.hometownnerd.org”
— Bluesky· May 2026
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Semantically related
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(Canada, meteorology) A measurement used by Canadian meteorologists to reflect the combined effect of heat and humidity, as the apparent temperature felt by a person.
- heat wave54%
(idiomatic) A period of exceptionally hot weather.
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(US) An extended heat wave, defined as high temperatures over 100 degrees Fahrenheit over a large area for three consecutive days.
- hot51%
Relating to heat and conditions which produce it.
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(figurative) Relating to excited emotions.