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

Snow Squalls May Impact the Northeast on Thursday; Dangerously Cold Arctic Air Impact the North-Central US

Snow showers and snow squalls are likely to develop across the Northeast on Thursday. Lake effect snow will persist downwind of the Great Lakes. An arctic blast will bring frigid temperatures, gusty winds and dangerous wind chills to the Northern Plains before expanding to the South and East. A major winter storm will begin impacting the Southern Plains and Lower Mississippi Valley Friday. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

39°F

4°C

Humidity 46%
Wind Speed SW 12 mph
Barometer 30.13 in (1020.3 mb)
Dewpoint 20°F (-7°C)
Visibility 10.00 mi
Wind Chill32°F (0°C)
Last update 21 Jan 11:54 pm EST
Extended Forecast for

Upper Darby PA

  • Overnight

    Overnight: Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 32 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Increasing clouds, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. West wind around 5 mph.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 37. West wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 10. Northwest wind 10 to 15 mph.

    Low: 10 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 18.

    High: 18 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Snow, mainly after 1am. Low around 12. Chance of precipitation is 80%.

    Low: 12 °F

    Chance Snow
    then Snow

  • Sunday

    Sunday: Snow. High near 21. Chance of precipitation is 90%.

    High: 21 °F

    Snow

  • Sunday Night

    Sunday Night: Snow likely. Cloudy, with a low around 15. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Likely

Detailed Forecast

Overnight
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. South wind around 10 mph, with gusts as high as 20 mph.
Thursday
Increasing clouds, with a high near 45. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Partly cloudy, with a low around 24. West wind around 5 mph.
Friday
Partly sunny, with a high near 37. West wind 5 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly cloudy, with a low around 10. Northwest wind 10 to 15 mph.
Saturday
Mostly cloudy, with a high near 18.
Saturday Night
Snow, mainly after 1am. Low around 12. Chance of precipitation is 80%.
Sunday
Snow. High near 21. Chance of precipitation is 90%.
Sunday Night
Snow likely. Cloudy, with a low around 15. Chance of precipitation is 70%.
Monday
A chance of snow before 1pm. Partly sunny, with a high near 24. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 8.
Tuesday
Sunny, with a high near 21.
Tuesday Night
Partly cloudy, with a low around 8.
Wednesday
Partly sunny, with a high near 25.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Upper Darby PA
 39.97°N 75.3°W (Elev. 210 ft)
Last Update:
6:57 pm EST Jan 21, 2026
Forecast Valid:
12am EST Jan 22, 2026-6pm EST Jan 28, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation