Vapor Pressure Calculator

Severe Weather Across the Ohio Valley and into the Mid Atlantic; Prolonged Heat in the Southern Plains

Scattered damaging winds and a couple tornadoes are possible on Saturday from parts of Ohio into northern West Virginia/Maryland, central and western Pennsylvania, and western New York. The thunderstorm threat will move into the Northeast on Sunday. Prolonged heat will continue across the Southern Plains this weekend and into next week. Read More >

Vapor Pressure

Severe Weather Across the Ohio Valley and into the Mid Atlantic; Prolonged Heat in the Southern Plains

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?