National Weather Service United States Department of Commerce

Significant Winter Storm Impacting Northern New England, Strong Winds Likely Over The Mid Atlantic

Heavy wet snow and dangerous travel conditions will persist across much of northern New England into Friday. The combination of strong winds and wet snow may lead to downed trees and power outages. Further south across the Mid Atlantic region, strong winds gusting up to 50 mph will continue into Friday evening especially from Washington D.C. to New Jersey. 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?