Relative humidity measures how much moisture is in the air compared to how much it could hold at a given temperature. It is simply the dew point temperature divided by the air temperature, times 100.

The reason why the humidity makes it feel hotter than the actual temperature is because of our sweat. Our bodies like to stay near 98.6 degrees, so when our body temperature rises sweat is released ...

Extreme levels of heat and humidity are forecast to spread across the country over the next two weeks, blanketing the Southwest, Midwest, and East Coast with high temperatures beginning this June 19 ...

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

It’s often said that it’s not the heat that gets you; it’s the humidity. We had our first serving of the uncomfortable and ...

The iTHX-SD transmitter lets users view virtual charts and record temperature, relative humidity and dew point over an Ethernet network or the Internet with no special software—just a Web browser. The ...

ROCHESTER, N.Y. (WHEC) – We are going to talk directly to the weather geeks. Today we look at the difference between dew point and relative humidity. The dew point is basically a simple concept. It is ...