Relative humidity and dew point are both used to identify how much moisture is in the air. Relative humidity is a percentage ...

Here’s an even more deceiving weather situation. One day is 80 degrees and 50 percent relative humidity. Another day is 90 ...

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

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 ...