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?

Dew point, a direct measure of atmospheric moisture, is a much better indicator of discomfort than relative humidity. It is a conservative feature, meaning it remains reasonably constant during the ...

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 ...

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 ...

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 ...

Meteorologist Paul Douglas answers reader questions about the weather and other natural phenomena every couple of weeks. Submit your own questions below. I’ve lived in other parts of the country, and ...

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

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 ...