New Stanford research adds to evidence that the seasonality of respiratory illnesses, like COVID-19 or the flu, can be linked to indoor humidity levels. The study, which found that ventilation reduces ...

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 ...

When you watch your First Alert Forecast, you may hear the meteorologist reference the dew point temperature in reference to how humid or how comfortable the air might feel to you. Viewers have asked ...

Imagine you’re sitting among friends on the porch with a big pitcher of ice cold lemonade. The heat is searing and the air is still and stifling. It’s almost hard to breathe. You look to your friends ...

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?