Wind Chill Calculator

Fahrenheit / MPH

Air Temperature (°F)

Wind Speed (mph)

Celsius / km/h

Air Temperature (°C)

Wind Speed (km/h)

Formula

WC = 35.74 + 0.6215T - 35.75V^0.16 + 0.4275TV^0.16 (°F, mph)

Frequently Asked Questions

What is wind chill?

Wind chill is the perceived decrease in air temperature felt by the body due to wind. The NWS formula considers air temperature and wind speed to calculate how cold it 'feels like'. Wind chill only applies when temp ≤ 50°F (10°C) and wind ≥ 3 mph.

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