Philadelphia Weather: Bitter Cold Monday After Snowstorm - Full Forecast (2026)

Brace yourself, Philadelphia—after Sunday’s snowstorm, a bone-chilling cold front is sweeping through the region, and it’s not holding back. But here’s where it gets controversial: while many are dreading the freeze, others argue this is just winter doing its thing. So, is this extreme cold the new normal, or just a seasonal reminder of nature’s unpredictability? Let’s dive in.

By Andrew Kozak and Kate Bilo

Updated on: December 15, 2025 / 9:47 AM EST / CBS Philadelphia

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The Philadelphia region woke up to a winter wonderland on Sunday (https://www.cbsnews.com/philadelphia/news/snow-winter-storm-warning-philadelphia-dec-14/), but the real challenge begins today as dangerously low temperatures grip the Delaware Valley. Monday marks the 18th consecutive day of below-average temps—a streak that’s set to stretch to 20 days by Wednesday. And this is the part most people miss: prolonged cold snaps like this can strain infrastructure and health, even in a city as prepared as Philly.

But there’s a silver lining! The deep freeze finally breaks on Thursday, with temperatures climbing into the 50s for the first time since before Thanksgiving. And here’s the kicker: this milder trend could stick around for several weeks. Our next system arrives early Friday, bringing rain—yes, rain, not snow—and highs again in the 50s. Spring fever, anyone?

Here’s your 7-day forecast to plan ahead:

Monday: NEXT Weather Alert. High 29. Bundle up—it’s bitter out there.
Tuesday: Clouds and sun. High 37, Low 18. A slight improvement, but still chilly.
Wednesday: Slight warm-up. High 47, Low 25. Finally, a hint of relief.
Thursday: Milder. High 51, Low 27. Say hello to the 50s!
Friday: Rain likely. High 56, Low 49. Grab your umbrella, not your snow boots.
Saturday: Breezy. High 40, Low 27. A cool-down, but nothing like the past week.
Sunday: Mostly cloudy. High 52, Low 34. Perfect for a cozy indoor day.

For real-time updates, check out:
NEXT Weather Radars (https://www.cbsnews.com/philadelphia/weather/next-weather-radar/)
Hourly Forecast (https://www.cbsnews.com/philadelphia/weather/)

In:
* Pennsylvania (https://www.cbsnews.com/philadelphia/tag/pennsylvania/)
* Weather Forecast (https://www.cbsnews.com/philadelphia/tag/weather-forecast/)
* Weather Blogs (https://www.cbsnews.com/philadelphia/tag/weather-blogs/)
* New Jersey (https://www.cbsnews.com/philadelphia/tag/new-jersey/)
* Delaware (https://www.cbsnews.com/philadelphia/tag/delaware/)
* Philadelphia (https://www.cbsnews.com/philadelphia/tag/philadelphia/)

Now, here’s a thought to ponder: As extreme weather events become more frequent, how prepared are we—both as individuals and as a community? Share your thoughts below—let’s keep the conversation going!

Philadelphia Weather: Bitter Cold Monday After Snowstorm - Full Forecast (2026)
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