Meteorologist Ray Petelin joined the KDKA Weather Team in October 2018, but is no stranger to the weather in Pittsburgh and Western Pennsylvania. He has been forecasting in Pittsburgh since 2011 and ...

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 ...

(WHTM) — When temperatures rise, sometimes the air can feel dry and comfortable. But, sometimes it can feel downright tropical outside. This is caused by moisture in the air and it makes the air ...

LOUISVILLE, Ky. (WAVE) - There are several ways to measure outdoor humidity, with two of the most common being dew point and relative humidity. The dew point is the temperature to which the air must ...

Forbes contributors publish independent expert analyses and insights. I make maps, and discuss the climate. Aug 23, 2018, 11:25am EDT Dec 10, 2021, 08:30am EST This article is more than 7 years old.

I love getting your questions, and I got a great one from Steve! He asks: It's pouring rain, but the outdoor humidity gauge says 74% relative humidity. How's that possible? Shouldn't it be 100%? This ...