Northshore Harbormasters Association


Weather Calculators

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 =

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