Windchill Calculation
Temp
(o F)
Wind
Speed
(mph)
Wind chill =
Temp
(o C)
Wind
Speed
(mph)
Wind chill =

Heat Index Calculation: Valid entries are, air temperatures greater than 80 °F ( 27 °C ), dew point temperatures greater than 65 °F ( 12 °C ), and relative humidities higher than 40 percent.
Temp
(°F )
Relative
Humidity
(%)
Heat Index =
Dew Point =
Temp
(°C)
Relative
Humidity
(%)
Heat Index =
Dew Point =