Whether a summer day is great or awful often comes down to the humidity.

There are various ways to measure the amount of water vapor in the atmosphere. The amount of moisture a given parcel of air can hold is dependent on the ambient temperature. Higher temperatures mean ...

Add Yahoo as a preferred source to see more of our stories on Google. YOUNGSTOWN, Ohio (WKBN) – There might not be a more misunderstood phrase in meteorology than “relative humidity.” Every summer ...

Dew point/relative humidity questions come up fairly often and this is a good one. Water vapor in the atmosphere is pretty important for deep-sky observing and photography. The atmosphere can only ...

'Feels like' temperatures are just another name for the heat index. Here's how to understand the calculations as temperatures and humidity soar.

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 ...

Especially in summer, a humid basement affects the air quality and comfort of your home. This is the ideal level of humidity ...