Humidity, the amount of moisture in the air, is a crucial component of weather conditions. It varies significantly across ...

A group of scientists from Southern California recently came to the Bay Area to send up a series of weather balloons to help ...

Dry conditions were expected to hang around through Thursday with 8% to 20% humidity, with more atmospheric moisture on the way as early as Friday. Cooler temperatures were also expected.

The West Pacific pattern correlates with high pressure, increased temperature, decreased precipitation, and higher burned ...