The dew point is the temperature that the air would have to be cooled to (at constant pressure) in order to reach saturation. As the temperature drops to the dew point, water vapor molecules condense.

KNOXVILLE, Tenn. — As we head into the spring and summer, meteorologists are going to talk more about humidity and dew point. But, what’s the difference? You might be used to checking the humidity ...

TUCSON, Ariz. (KGUN) — The First Warning weather team often refers to dew point and humidity. Most people know these terms have something to do with moisture, but a lot of people don’t really ...

For this week’s Ask Storm Team we will be answering two questions! First up, Tony McDaniel asks, “What is the difference between relative humidity and dew point? Why is dew point important?” Dew point ...

NORFOLK, Va. — The old saying goes “it’s not the heat, it’s the humidity!” And while that may be true, it’s only half of the story. It’s the “dew point” that really matters. But what is the dew point?

Dew point and relative humidity, two terms that have floated around many weather forecasts over the years. What exactly do they mean and when are they best used to describe the conditions outside? Let ...

why do meteorologists use dew point rather than relative humidity to describe the uncomfortableness or oppressiveness of an air mass? Dew point is the temperature at which the air becomes “saturated” ...

ROCHESTER, N.Y. – This time of the year it is especially important that we effectively communicate the amount of moisture in the atmosphere on any given day. There are different ways of doing this, ...

Going on a run and curious about how muggy it's going to be out? Maddie Sofia chats with producer Thomas Lu about relative humidity and why some meteorologists are telling us to pay more attention to ...

Dew point, a direct measure of atmospheric moisture, is a much better indicator of discomfort than relative humidity. It is a conservative feature, meaning it remains reasonably constant during the ...

Naser Daher, of Durham’s Old Farm neighborhood, carries his belongings through floodwaters near the Eno River in Durham on ...

Relative humidity and dew point are often mistaken for the same thing, and can be sources of confusion. We have recently gotten questions about the differences between the two, and which is more ...