Our meteorologist answers your deepest weather questions.

Why is it that when it's raining, the relative humidity isn't 100%?

There are various ways to measure the amount of water vapor in the atmosphere. The amount of moisture a given parcel of air can hold is dependent on the ambient temperature. Higher temperatures mean ...

The short answer is both terms are different and describe different things about moisture in the air. The dew point is another temperature value. It is the temperature air needs to cool to become ...

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 ...

I know in Houston, we hear the term humidity which is used to correlate to how muggy it may feel outside. But what actually is humidity and what does it represent? Humidity is the measurement of water ...

Moisture problems show up everywhere in HVAC systems. Knowing how humidity behaves in air can make troubleshooting ...

“It’s not the heat, it’s the humidity,” we complain. Even though it’s something so tangible and familiar to us, humidity can be an awfully tricky thing to understand. There’s more than one way to ...

We know proper indoor ventilation is key to reducing the spread of Covid-19. Now, a study by MIT researchers finds that indoor relative humidity may also influence transmission of the virus. Relative ...