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 ...

With summer here, one component of our daily weather can make or break our enjoyment of the season, and that's the humidity. So, exactly what is humidity, what do the different values of it really ...

Music fans gather at the Minnesota Country Club Festival in St. Paul on July 10. As meteorologists, one of the questions we hear all the time is: “Why don't you talk about relative humidity?” After ...

It's sort of like the Goldilocks principle -- a room that's either too dry or too humid can influence transmission of COVID-19 and cause more illness or death, Massachusetts Institute of Technology ...

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 ...

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 ...

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 ...