Humidifiers help us breathe easier when sick, but should you turn your humidifier off at night? Here's what to know about when you can run your humidifier and when you should turn it off.

Across much of the world, hotter days are no longer arriving alone. The air itself is changing, sometimes turning from dry ...

If you always find yourself waking up with a stuffy nose, sore throat, and dry mouth in winter, you are not alone. It isn't ...

"Moisture assessment has historically been comparative rather than definitive," said Adam Capps, founder of Roof MRI. "The PHD scale provides a consistent way to determine whether insulation is dry, ...

Heat waves are becoming commonplace, and so too is high humidity, which can strain the electrical grid, hurt the economy, and ...

Abstract: Based on the relative humidity definition and its measurement principles, this paper presents an improved psychrometer measurement method. The improved measurement method for relative ...

Bay Area residents may have felt disoriented when they stepped outside this week. The unusually humid conditions are due to high sea-surface temperatures accompanied by light rain in the region, ...

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 ...

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 ...

The first major heat wave of summer has enveloped much of the midwestern and eastern U.S. in a brutal “dome” of record temperatures and high humidity. The dome phenomenon happens when weather ...

Some hot days feel even worse thanks to high humidity, trapped heat and dew points. Cities are especially vulnerable. By Nazaneen Ghaffar Nazaneen Ghaffar is a reporter on The Times’s weather team. It ...