National Weather Service United States Department of Commerce


by Tim Brice and Todd Hall
Enter a temperature, dewpoint and actual station pressure
Temperature:  wet-bulb temperature
Fahrenheit Celsius Kelvin Fahrenheit
Dewpoint: Celsius
Fahrenheit Celsius Kelvin Kelvin
Enter your actual station pressure (not the altimeter setting):  relative humidity
in of mercury mm of mercury millibars (hPA) %


What is the formula for the dewpoint script?