Heat Index Calculator CalculatorScale.com
Meteorology & ClimateNOAA / NWS Rothfusz Equation

Heat Index Calculator

Compute the apparent feels-like summer temperature on the human body based on air temperature and relative humidity, and monitor heat stress hazard levels.

Enter measured air temperature and relative humidity to calculate heat index
Apparent Heat Index Temperature

92.7 °F (33.7 °C)

Air Temperature: 85°F (29.4°C) | Relative Humidity: 70%
NWS Advisory: Extreme CautionHeat cramps and heat exhaustion possible with prolonged exposure and activity.
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