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.

Heat Index Chart
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 =