If the dew point is 32 then the relative humidity is 100%, and we all know you don’t walk outside and start sweating at that ...

Humidity is part of the answer. But Britain’s housing, long summer days, and lack of experience with extreme heat also make ...

In a novel experiment at the University of Cincinnati, researchers recently isolated kissing bugs, fruit flies, mosquitoes ...

Millions of Americans across the South and parts of the Midwest face a stretch of late-June heat that, when humidity is ...

Wet bulb temperature, a key measure in weather forecasting, offers valuable insights into atmospheric moisture and human ...

Relative humidity and dew point are both used to identify how much moisture is in the air. Relative humidity is a percentage of the moisture in the air. Dew point is a temperature.

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 ...

The number on the thermometer only tells half the story. Here’s what to know about heat index—and why some scientists are rethinking how it is calculated.

The season’s first widespread surge of humid air is spreading from the Midwest to the Northeast and Mid-Atlantic, along with record heat. Around 110 million people — including many easterners — can ...

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 ...