It's a T-shirt kind of day in Washington, DC: 85 degrees with 63 percent humidity. We all know those numbers mean hot, but what exactly does that humidity percentage tell us? And why should we care?

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 ...

YOUNGSTOWN, Ohio (WKBN) – There might not be a more misunderstood phrase in meteorology than “relative humidity.” Every summer when humidity returns, this phrase echoes across the United States: “It ...

BRYAN, Texas (KBTX) - When you watch the KBTX Pinpoint Weather Team forecast a day of weather in the Brazos Valley, you may hear phrases like “95 degrees with 80 percent humidity” used. But what does ...

In winter, you may wake up with a parched throat in the morning or notice your skin feeling dry in a room with the heater on. At such times, even if you think about using a humidifier, you might ...

In the fields of HVAC performance verification and measurement engineering, an accurate understanding of humidity is a ...

New research finds indoor relative humidity between 40 and 60 percent is associated with relatively lower rates of COVID-19 infections and deaths, while indoor conditions outside this range are ...

Maintaining relative humidity in the 40%-60% range in indoor spaces could help slow the spread of the coronavirus this winter, according to a November 18, 2020 Washington Post opinion piece ...

In the tropics, breathable dust bags and gel packs are your best friends. Open shelves too. If you have enclosed closets and ...

Anyone who has spent a summer afternoon in Houston versus Phoenix knows the numbers on a thermometer only tell part of the ...