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

Heavy Rainfall Continues from the Southwest to the Plains; Severe Thunderstorms in the Southern Plains

Pacific tropical moisture wrapping into a storm will continue a multi-day heavy rainfall event this week that will impact the Southwest into the Plains. Scattered severe thunderstorms capable of mainly severe wind gusts appear possible across portions of the southern Plains this afternoon into tonight. There is also a risk of isolated severe winds gusts and tornadoes in Kansas into Nebraska. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

77°F

25°C

Humidity 52%
Wind Speed SW 7 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 30 Sep 3:54 pm EDT
Extended Forecast for

Marcus Hook PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph.

    Low: 63 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 80. Southwest wind 5 to 10 mph.

    High: 80 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 65. Southwest wind around 5 mph.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 85 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. West wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.

    Low: 57 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 63. Southwest wind 5 to 10 mph.
Thursday
Partly sunny, with a high near 80. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 65. Southwest wind around 5 mph.
Friday
A slight chance of showers after 2pm. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
Friday Night
A chance of showers, mainly between 8pm and 2am. Mostly cloudy, with a low around 59. West wind 5 to 10 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A chance of showers before 2am. Mostly cloudy, with a low around 57. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 48.
Tuesday
Sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 63.
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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:
4:11 pm EDT Sep 30, 2026
Forecast Valid:
4pm EDT Sep 30, 2026-6pm EDT Oct 7, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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