Pennsylvania – Headlights glow through thick morning fog, and damp pavement stretches across I-95 and the Schuylkill Expressway as light rain edges toward Center City. Temperatures sit at 39 degrees at Philadelphia International Airport, with visibility reduced to about 2.5 miles. Drivers are already slowing through low-lying spots and along the Delaware River.
According to the National Weather Service in Mount Holly, patchy fog lingers through late morning before rain chances increase after 4 p.m. Highs reach 44 degrees, with east winds around 5 to 10 mph. Rain becomes likely tonight, mainly after 4 a.m., with a 70% chance and lows near 38 degrees. Expect steady showers by early Friday, when rainfall becomes widespread and certain.
Friday stays wet with a 100% chance of rain and highs near 47. Roads remain slick through the day, especially on bridges and ramps. Conditions improve Saturday with mostly sunny skies and a high near 49. That mild air may create runoff during the afternoon.
Here’s the call-out. Saturday night brings a slight chance of rain before 1 a.m., then a rain-to-snow transition as temperatures drop to 33 degrees. Even light snow can trigger flash freezing on untreated roads. Watch for icy patches by early Sunday.
Snow becomes likely Sunday, mainly after 1 p.m., with highs near 40 and a 60% chance of accumulation. Snow likely continues Sunday night, with lows near 30. Plan extra travel time and monitor changing conditions.
Five Day Outlook for Philadelphia, PA:
Friday: Rain, high 47.
Saturday: Mostly sunny, high 49.
Sunday: Snow likely after 1 p.m., high 40.
Monday: Mostly cloudy, high 39.
Tuesday: Sunny, high 37.
