Whether a summer day is great or awful often comes down to the humidity.

That is because the dew point is a measure of how much water vapor is in the air and relative humidity is a measure of how much water vapor is in the air relative to how much water vapor could be in ...

Summer is here, and heat and humidity have arrived.

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 ...

INDIANAPOLIS — Despite how it sounds, relative humidity isn’t a great measure of how humid it feels outside. That’s why, when it’s muggy, meteorologists talk about dew point temperature instead.

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 ...

The relative humidity is the percent of saturation humidity. When the relative humidity is 100%, it means the air is completely saturated with moisture. Since warmer air can hold much more water vapor ...

DEHUM: The basic operating principle of a dehumidifier is to remove water vapor from the air without overcooling the space. April 20, 2026 Humidity, aside from temperature, is perhaps the most ...

YOUNGSTOWN, Ohio (WKBN) – There might not be a more misunderstood phrase in meteorology than “relative humidity.” Every summer when humidity returns, this phrase echoes across the United States: “It ...