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

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

56°F

13°C

Humidity 72%
Wind Speed S 7 mph
Barometer 30.04 in (1017.1 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 13 May 3:54 am EDT
Extended Forecast for

Marcus Hook PA

  • Today

    Today: Mostly sunny, with a high near 73. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers and thunderstorms before 3am, then showers likely. Low around 55. South wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Showers

  • Thursday

    Thursday: A chance of showers before 8am. Partly sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 67 °F

    Chance
    Showers then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. Northwest wind 10 to 15 mph.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70. Northwest wind around 10 mph, with gusts as high as 20 mph.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. South wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Showers and thunderstorms before 3am, then showers likely. Low around 55. South wind 5 to 15 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers before 8am. Partly sunny, with a high near 67. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 51. Northwest wind 10 to 15 mph.
Friday
Mostly sunny, with a high near 70. Northwest wind around 10 mph, with gusts as high as 20 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Sunny, with a high near 81.
Saturday Night
Partly cloudy, with a low around 60.
Sunday
Sunny, with a high near 87.
Sunday Night
Mostly clear, with a low around 63.
Monday
Mostly sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Marcus Hook PA
 39.81°N 75.42°W (Elev. 0 ft)
Last Update:
4:08 am EDT May 13, 2026
Forecast Valid:
4am EDT May 13, 2026-6pm EDT May 19, 2026
 
Forecast Discussion
 
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Additional Resources

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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