Sunny, cooler Halloween in Philadelphia region. Here's the weather forecast.

Halloween in the Philadelphia region will be mostly sunny but cooler. Make sure to grab a jacket before heading out Saturday, but there's no rain in the forecast for trick-or-treaters. CBS News Philadelphia NEXT big weather changesSunday will be a little cloudier, with highs in the lower to mid 60s, but our extended dry stretch will continue. High pressure remains the dominant feature across the eastern United States, suppressing significant storm development and keeping moisture away from our region. Temperatures will begin moderating Monday again, reaching the upper 60s, followed by another surge of warmer air Tuesday and Wednesday. Highs could climb into the mid-70s by midweek, more than 10 degrees above average for early November. And don't forget, daylight saving time ends at 2 a.m. Sunday, so we gain an extra hour of sleep this weekend.Our next substantial rain chance is finally beginning to come into focus for the latter ha