Wind Chill Calculator
Calculate wind chill temperature from air temp and wind speed.
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How It Works
Calculates apparent temperature using NWS formula. Only applies below 50F and above 3 mph wind. Wind increases heat loss from skin.
Formula
NWS wind chill formulaQuick Reference
Common calculations — results you can verify instantly.
20°F, 20mph wind
NWS formula
Feels like 4°F
0°F, 30mph wind
NWS formula
Feels like -26°F
-10°F, 15mph wind
NWS formula
Danger: frostbite
Tips & Shortcuts
Wind chill only affects skin not actual air temperature.
Frostbite risk at -18C wind chill within 30 minutes.
Common Mistakes
Applying wind chill to objects or water
Wind chill only describes skin sensation not actual temperature.
Thinking wind chill freezes water below 32F
Water freezes at 32F regardless of wind chill.
Frequently Asked Questions
No. 32F is the freezing point regardless of wind.
Within 30 min at -18C wind chill. Within 10 min at -32C.
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