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

Hazardous Weather Conditions

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

69°F

21°C

Humidity 57%
Wind Speed SE 15 mph
Barometer 29.92 in (1013.3 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 18 Apr 5:54 pm EDT
Extended Forecast for

Upper Darby PA

Coastal Flood Advisory April 19, 01:00am until April 19, 06:00am
Click here for hazard details and duration
Coastal Flood Advisory

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 51. Southeast wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. High near 56. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 41. West wind around 5 mph.

    Low: 41 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Showers

  • Monday Night

    Monday Night: Patchy frost after 2am. Otherwise, mostly clear, with a low around 32. North wind 5 to 10 mph.

    Low: 32 °F

    Mostly Clear
    then Patchy
    Frost

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 55.

    High: 55 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Patchy fog after 1am. Otherwise, increasing clouds, with a low around 51. Southeast wind 5 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. High near 56. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Mostly clear, with a low around 41. West wind around 5 mph.
Monday
A slight chance of showers before 2pm. Mostly sunny, with a high near 51. Northwest wind 10 to 15 mph. Chance of precipitation is 20%.
Monday Night
Patchy frost after 2am. Otherwise, mostly clear, with a low around 32. North wind 5 to 10 mph.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 67.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 50.
Friday
Mostly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 52.
Saturday
A chance of showers. Partly sunny, with a high near 69. Chance of precipitation is 40%.
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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:
4:11 pm EDT Apr 18, 2026
Forecast Valid:
5pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation