Frost: Happens when the temperature dips below freezing for a short time, usually overnight, with clear skies and calm winds.

After a strong cold front pushes through the San Antonio metro area late Monday and into early Tuesday, a mass of frigid, ...

Cold air has settled into the region, bringing widespread frost to the Panhandle. A Frost Advisory is in effect for the ...

Frost can occur even with temperatures in the ... is that it shortens the time that it takes the object to cool to the actual air temperature (it cannot cool the object down below that temperature).