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.

Understanding the difference between humidity and moisture.

If you think this summer has felt extra sticky and sweltering hot in Ohio and Kentucky, you're not alone. Greater Cincinnati has spent much of the summer trying to stay cool, as the area has been ...

Is wet bulb temperature the same as dew point? Mike Moss: In a saturated air parcel (with relative humidity 100%) the wet bulb, dry bulb and dew point temperatures are all the same. In a drier parcel ...

SEATTLE — It's foggy, cloudy, and raining in the Pacific Northwest much of the winter. Plus, the humidity is at 100%. But why does it still feel dry? Why do your lips still get chapped and your skin ...

CHICOPEE, Mass. (WWLP) – Low dew points are creating dry air conditions that contribute to physical irritations like coughing and dry skin. As heating systems run in homes and cars, many residents are ...