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 ...

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 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.

Metro Denver was smacked with unusual high humidity Tuesday morning. 9News Senior Meteorologist Chris Bianchi posted on social media around 6:30 a.m. that the dew point in the Mile High City was 66 ...

IOWA, USA — When encountering sweltering summer conditions, many Iowans will quickly defer to the infamous quote, "It's not the heat, it's the humidity." But what contributes to Iowa being so much ...