It's a cold start on Sunday, with a bit of patchy fog in spots. Most areas will be in the upper 20s and low 30s, with a calm wind (so no wind chill) under mostly clear to mostly sunny skies.

More seasonable temperatures are expected by the afternoon, with highs into the 50s.

CBS News Philadelphia

Marathon weekend

Full Marathon: Race kicks off at 7:00 a.m. Cold and bright with sunshine. Layer up! Start time temperature: 33.

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Sunday starts off with a few areas of patchy fog, otherwise clear skies and cold temperatures in the 20s and 30s. Expect seasonable temperatures in the 50s by the afternoon.

Monday brings a mild start to your Thanksgiving week along with good travel conditions.

CBS News Philadelphia

Thanksgiving travel

The NEXT Weather system will be on the move

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