Relative humidity is expressed as a percentage, whereas the dew point is expressed in degrees.

Add Yahoo as a preferred source to see more of our stories on Google. There are multiple ways to describe how wet the air is (yes, pretty much all air is wet). What I mean by that is there are water ...

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

Before you step outside, you may want to know how humid, or "sticky" it feels. That comes down to knowing the dew point. Dew point is more commonly discussed in the summertime and is a good measure of ...

Summer is here, and heat and humidity have arrived.

Have you ever wondered why meteorologists on TV focus on the dewpoint temperature and not relative humidity? Or, have you ...

This week, there has been lots of discussion regarding the dew point and how it relates to humidity. While most of us have probably heard of the dew point, do you actually know what it is?

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 ...

NORFOLK, Va. — Most summer days, you hear us talk about “humidity” when describing how the air feels. While many people are familiar with the term relative humidity — the percentage of water vapor in ...

Relative humidity and dew point are often mistaken for the same thing and can be sources of confusion. But what are the differences between the two, and which is more relevant in everyday life? >> ...

Trey Fulbright is the newest meteorologist on the KDKA First Alert Weather Team. In addition to seeing his forecasts on air, he also does weather and climate reporting. Trey comes to KDKA from Des ...