National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Great Lakes Snow through Friday; Extreme Cold and Potential for Major Winter Storm Late Week into this Weekend

Multiple clipper systems will bring cold temperatures and enhance lake-effect snow downwind of the Great Lakes. An arctic blast will bring frigid temperatures accompanied with gusty winds that may lead to dangerous wind chills beginning in the Northern Plains Thursday before expanding to the South and East. An expansive winter storm will start Friday in the Southern Rockies/Plains and Mid-South. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Fair

21°F

-6°C

Humidity 36%
Wind Speed NW 7 mph
Barometer 30.54 in (1034.0 mb)
Dewpoint -2°F (-19°C)
Visibility 10.00 mi
Wind Chill12°F (-11°C)
Last update 20 Jan 10:54 pm EST
Extended Forecast for

Philadelphia PA

  • Tonight

    Tonight: Clear, with a low around 11. West wind around 5 mph becoming calm.

    Low: 11 °F

    Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 36. Light south wind increasing to 10 to 15 mph in the morning.

    High: 36 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 31. South wind around 10 mph.

    Low: 31 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 45 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 25. West wind around 5 mph.

    Low: 25 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 33.

    High: 33 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 19.

    High: 19 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Snow likely, mainly after 1am. Cloudy, with a low around 13. Chance of precipitation is 60%.

    Low: 13 °F

    Snow Likely

Detailed Forecast

Tonight
Clear, with a low around 11. West wind around 5 mph becoming calm.
Wednesday
Increasing clouds, with a high near 36. Light south wind increasing to 10 to 15 mph in the morning.
Wednesday Night
Cloudy, then gradually becoming partly cloudy, with a low around 31. South wind around 10 mph.
Thursday
Mostly sunny, with a high near 45. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly cloudy, with a low around 25. West wind around 5 mph.
Friday
Partly sunny, with a high near 33.
Friday Night
Mostly cloudy, with a low around 10.
Saturday
Partly sunny, with a high near 19.
Saturday Night
Snow likely, mainly after 1am. Cloudy, with a low around 13. Chance of precipitation is 60%.
Sunday
Snow. High near 21. Chance of precipitation is 80%.
Sunday Night
A chance of snow. Mostly cloudy, with a low around 10. Chance of precipitation is 50%.
Monday
A chance of snow. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 10.
Tuesday
Mostly sunny, with a high near 24.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
Last Update:
4:10 pm EST Jan 20, 2026
Forecast Valid:
11pm EST Jan 20, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation