Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

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 ...

As the home appliance on everyone's wish list, we ask how a dehumidifier works and how could our homes benefit from one? An ...

It plays a huge role in comfort, which is why knowing how to control humidity in your home is vital. Too much can leave rooms feeling stuffy or turning moldy, while too little can cause physical ...

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 ...

South Carolinians are all too familiar with muggy summer days. Check your weather app of choice and you’ll notice humidity presented as a percentage: 68 percent humidity, 92 percent humidity, ...