Sep 21, 2012 11:25 PM by Chief Meteorologist Bill Meck
Autumn officially begins (none of that unofficial Labor Day stuff or 'meteorological') Saturday morning at 10:49 am. That's when the sun will be directly over the equator and we transition to the cool seasons.
It will be a day with a partly to mostly sunny sky and slightly cooler afternoon topping out in the low 70's. Much colder air will be here for Sunday.
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