National Weather Service United States Department of Commerce

Unsettled Weather Continues in the Northwest; Tracking a Storm from the Plains to Northeast

Unsettled weather will persist across the western U.S. this week with heavy coastal rain and mountain snow for the Pacific Northwest. A storm will develop over the Central Plains and track to the Northeast through this weekend bringing a wintry mix over portions of the Plains and Midwest, heavy rain over the northern Gulf Coast and a potential for heavy snow in the Northeast this weekend. 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?