Vapor Pressure Calculator

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

A Pacific storm is bringing areas of low elevation rain, moderate to heavy mountain snow, and high winds to the Northwest. Strong Santa Ana winds and very dry conditions are producing elevated to critical fire weather conditions in southern California. Isolated strong to severe thunderstorms are possible through early Wednesday morning across parts of northeast Texas into western Tennessee. Read More >

Vapor Pressure

Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

Vapor Pressure

by Tim Brice and Todd Hall

Enter a temperature or a dewpoint or both:

Vapor Pressure

What is the formula for the vapor pressure script?