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

47°F

8°C

Humidity 86%
Wind Speed NE 6 mph
Barometer 30.22 in (1023.3 mb)
Dewpoint 43°F (6°C)
Visibility 7.00 mi
Wind Chill44°F (7°C)
Last update 5 Mar 10:54 am EST
Extended Forecast for

Marcus Hook PA

  • Today

    Today: A chance of rain, mainly before 3pm. Widespread fog, mainly between 1pm and 2pm. Otherwise, cloudy, with a high near 50. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain
    and Fog

  • Tonight

    Tonight: Rain, mainly before 2am. Widespread fog, mainly before 5am. Low around 39. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 39 °F

    Rain and Fog

  • Friday

    Friday: Areas of fog before 10am. Otherwise, cloudy, with a high near 48. Northeast wind around 5 mph.

    High: 48 °F

    Areas Fog
    then Mostly
    Cloudy

  • Friday Night

    Friday Night: A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 40. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Chance
    Showers and
    Patchy Fog

  • Saturday

    Saturday: A slight chance of showers after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 61 °F

    Patchy Fog
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Showers
    Likely

  • Sunday

    Sunday: Partly sunny, with a high near 66.

    High: 66 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain, mainly before 3pm. Widespread fog, mainly between 1pm and 2pm. Otherwise, cloudy, with a high near 50. Northeast wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Rain, mainly before 2am. Widespread fog, mainly before 5am. Low around 39. Northeast wind 10 to 15 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Areas of fog before 10am. Otherwise, cloudy, with a high near 48. Northeast wind around 5 mph.
Friday Night
A chance of showers, mainly after 1am. Patchy fog after 1am. Otherwise, cloudy, with a low around 40. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of showers after 1pm. Patchy fog before 10am. Otherwise, cloudy, with a high near 61. Calm wind becoming south around 5 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 55. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Partly sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Mostly sunny, with a high near 64.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
A chance of showers. Partly sunny, with a high near 76. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Marcus Hook PA
 39.81°N 75.42°W (Elev. 0 ft)
Last Update:
5:23 am EST Mar 5, 2026
Forecast Valid:
11am EST Mar 5, 2026-6pm EDT Mar 11, 2026
 
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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