National Weather Service United States Department of Commerce

Bitter Cold Wind Chills Follow Departing Northeast Storm; Heavy Snow and High Winds in the West

Areas of heavy snow will linger across portions of New England and downwind of the Great Lakes into Monday. Bitter cold and gusty winds behind the departing storm are resulting in dangerous wind chill temperatures for much of the Northeast corner of the U.S. In the west, heavy mountain snow will impact portions of Utah and Wyoming with high winds in the southwest Monday. Read More >

Relative Humidity

by Tim Brice and Todd Hall
 
 
Enter a temperature, relative humidity and actual station pressure
 
Temperature:  wet-bulb  unit

dewpoint

Fahrenheit Celsius Kelvin Fahrenheit
RH: Celsius
% Kelvin
Enter your actual station pressure (not the altimeter setting):  
in of mercury mm of mercury millibars (hPA)  

 

What is the formula for the relative humidity script?