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Sunny and pleasant
Rain and drizzle possible
A couple of showers possible
of sunlight, then sets at
of moolight, then sets at
The next round of rain for the Philadelphia area will be at the end of the week into the start of the weekend. more >
Dec 20, 2012; 5:00 AM ET
The 540 line is often used by meteorologists to determine the chances of rain vs. snow.