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.

TOLEDO, Ohio — As warm summer days continue throughout northwest Ohio and southeast Michigan, so does the chance of hot days becoming more common over the years. Let us set the stage: you are watching ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. First, let’s define relative humidity.

Relative humidity plays a critical role in the preservation of cultural heritage. This episode breaks down how moisture in the air interacts with temperature, why fluctuations are especially dangerous ...

Meteorologists talk plenty about the dew point temperature during the summer, as it is a great indicator of humidity and a condition to watch when severe weather is possible. So what is it? The dew ...

Humidity - arguably the most important factor in deciphering how pleasant a day will be. We all know 90 degrees with high humidity and 90 degrees with no humidity is a different ball game. The ...

The heat index, or apparent temperature, combines air temperature and humidity to indicate how hot it feels to the body. High humidity slows sweating, the body's natural cooling system, making ...

Professor of Atmospheric Sciences, Climate Change Research Centre, UNSW Sydney Has Sydney felt more like Cairns lately? You’re not imagining it – millions of Australians up and down the east coast ...

Studies on climate and infectious disease typically focus on temperature's role on disease transmission. However, an international team found that both temperature and humidity contribute to future ...

Recent reports from the Hong Kong Observatory indicate that relative humidity levels plummeted to 18% by 2 PM, marking the lowest recorded level for January since the establishment of the automatic ...