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.

A Few Clouds

81°F

27°C

Humidity 53%
Wind Speed S 12 mph
Barometer 29.90 in (1012.6 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 13 Oct 3:54 pm EDT
Extended Forecast for

Swarthmore PA

  • Tonight

    Tonight: Clear, with a low around 65. Southwest wind 5 to 10 mph.

    Low: 65 °F

    Clear

  • Wednesday

    Wednesday: A slight chance of showers between 11am and 3pm. Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    High: 83 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 59. North wind around 5 mph. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 69. North wind around 5 mph becoming east in the afternoon.

    High: 69 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Showers

  • Friday Night

    Friday Night: Showers before 8pm. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 65. Southwest wind 5 to 10 mph.
Wednesday
A slight chance of showers between 11am and 3pm. Mostly sunny, with a high near 83. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Wednesday Night
A slight chance of showers between 10pm and 11pm. Mostly cloudy, with a low around 59. North wind around 5 mph. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 69. North wind around 5 mph becoming east in the afternoon.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 78. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers before 8pm. Low around 46. Chance of precipitation is 80%.
Saturday
Sunny, with a high near 53.
Saturday Night
Clear, with a low around 38.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 59.
Sunday Night
Mostly clear, with a low around 42.
Monday
Mostly sunny, with a high near 65.
Monday Night
Mostly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Swarthmore PA
 39.91°N 75.34°W (Elev. 197 ft)
Last Update:
4:09 pm EDT Oct 13, 2026
Forecast Valid:
4pm EDT Oct 13, 2026-6pm EDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation