Weather Computer
Original java script by Ron Moore of the Birmingham, AL, National Weather Service

Temperature Conversion
Enter a number, then click on the appropriate button to see the result.

Fahrenheit ( o F )

Celsius (°C)

Celsius ( o C )

Fahrenheit (o F)

Windchill Calculation

Temp
(o F)

Wind
Speed
(mph)

Wind chill =

Temp
(o C)

Wind
Speed
(mph)

Wind chill =

Relative Humidity Calculation

Temp
(°F )

Dew
Point
(°F)

Relative Humidity =

Temp
(°C)

Dew
Point
(°C )

Relative Humidity =

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 )

Dew
Point
(°F)

  RH =

Temp
(°C)

Dew
Point
(°C )

  RH =

Temp
(°F )

Relative
Humidity
(%)

Heat Index =
Dew Point =

Temp
(°C)

Relative
Humidity
(%)

Heat Index =
Dew Point =