PHILADELPHIA, Pa. — The morning air feels calm and crisp now, but a quiet start to Thanksgiving week will give way to soaking rain and a sharp midweek temperature drop. For travelers heading out Tuesday, roads from the Delaware Valley to the Lehigh Valley may turn slick as a cold front slides east.
According to the National Weather Service in Mount Holly, mostly sunny skies today and Monday will set up a brief stretch of mild air before a widespread rain system arrives Tuesday morning. Rain could begin by midmorning along the I-95 corridor, with the heaviest activity expected Tuesday afternoon and evening. Commuters should anticipate slower travel, ponding on roads, and possible flight delays at Philadelphia International Airport.
Temperatures will hold near the mid-50s Tuesday before colder air filters in behind the front. By Wednesday, highs will barely reach the lower 40s as breezy northwest winds push across southeastern Pennsylvania. The holiday itself looks dry and calm but noticeably cooler — perfect for parade watchers and Thanksgiving morning runners.
While the Mid-Atlantic deals with rain, forecasters are also monitoring a broader U.S. pattern shift. A major cold front sweeping the Midwest may bring snow and below-normal temperatures to parts of the Plains and Great Lakes later this week. For the East Coast, that system could mean a brisk, early-winter feel by the weekend — a reminder that December’s chill isn’t far behind.
Five-Day Forecast for Philadelphia, PA:
Sun: 53/37 – Mostly sunny; light breeze, pleasant.
Mon: 53/37 – Sunny and calm; clouds late.
Tue: 56/52 – Rain likely; wet travel, gusty breeze.
Wed: 64/39 – Cloudy early, clearing; colder winds.
Thu: 45/31 – Mostly sunny; brisk Thanksgiving chill.
