Coastal and Marine Hazards This Week

Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Overcast

63°F

17°C

Humidity 70%
Wind Speed NE 9 G 21 mph
Barometer 30.31 in (1026.4 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 22 Sep 9:54 pm EDT
Extended Forecast for

Swarthmore PA

Coastal Flood Advisory September 23, 10:00pm until September 25, 04:00am
Click here for hazard details and duration
Coastal Flood Advisory
  • Tonight

    Tonight: A slight chance of showers before 11pm, then a slight chance of showers after midnight.  Cloudy, with a low around 55. Northeast wind 10 to 15 mph.  Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 67. Breezy, with a northeast wind 15 to 20 mph.

    High: 67 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 52. Northeast wind 10 to 15 mph.

    Low: 52 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 66. Northeast wind 10 to 15 mph.

    High: 66 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 52. North wind 5 to 10 mph.

    Low: 52 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 69.

    High: 69 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers.  Partly sunny, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 2am.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a slight chance of showers after midnight. Cloudy, with a low around 55. Northeast wind 10 to 15 mph. Chance of precipitation is 20%.
Wednesday
Mostly cloudy, with a high near 67. Breezy, with a northeast wind 15 to 20 mph.
Wednesday Night
Partly cloudy, with a low around 52. Northeast wind 10 to 15 mph.
Thursday
Mostly sunny, with a high near 66. Northeast wind 10 to 15 mph.
Thursday Night
Partly cloudy, with a low around 52. North wind 5 to 10 mph.
Friday
Partly sunny, with a high near 69.
Friday Night
Mostly cloudy, with a low around 55.
Saturday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
A chance of showers after 8am. Mostly cloudy, with a high near 68. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Swarthmore PA
 39.91°N 75.34°W (Elev. 197 ft)
4:10 pm EDT Sep 22, 2026
10pm EDT Sep 22, 2026-6pm EDT Sep 29, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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