Monsoon Flooding Threats Continue; Storms Possible in the Mid-Atlantic

Monsoon moisture will primarily stretch from the northern Great Basin to the south and central Rockies. Flash flooding, and mud and debris flows, especially on burn scars will be possible. Strong to severe storms that could produce damaging winds and locally heavy rain will be possible in the Mid-Atlantic, Deep South, and Northeast. Fire weather threats persist for portions of the Northwest. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

71°F

22°C

Humidity 61%
Wind Speed SW 3 mph
Barometer 29.95 in (1014.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 31 Jul 11:54 pm EDT
Extended Forecast for

Swarthmore PA

  • Overnight

    Overnight: Mostly clear, with a low around 64. Calm wind becoming south around 5 mph.

    Mostly Clear

    Low: 64 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon.  Increasing clouds, with a high near 76. South wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Showers
    Likely

    High: 76 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms before 3am.  Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southeast wind around 5 mph becoming west after midnight.  Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 64 °F

  • Monday

    Monday: Sunny, with a high near 82. Northwest wind 5 to 10 mph.

    Sunny

    High: 82 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 62. North wind around 5 mph.

    Partly Cloudy

    Low: 62 °F

  • Tuesday

    Tuesday: A slight chance of showers after 3pm.  Partly sunny, with a high near 81. Chance of precipitation is 20%.

    Partly Sunny
    then Slight
    Chance
    Showers

    High: 81 °F

  • Tuesday
    Night

    Tuesday Night: Mostly cloudy, with a low around 63.

    Mostly Cloudy

    Low: 63 °F

  • Wednesday

    Wednesday: Mostly sunny, with a high near 84.

    Mostly Sunny

    High: 84 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 64.

    Partly Cloudy

    Low: 64 °F

Detailed Forecast

Overnight
Mostly clear, with a low around 64. Calm wind becoming south around 5 mph.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 76. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 3am. Mostly cloudy, then gradually becoming mostly clear, with a low around 64. Southeast wind around 5 mph becoming west after midnight. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Sunny, with a high near 82. Northwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 62. North wind around 5 mph.
Tuesday
A slight chance of showers after 3pm. Partly sunny, with a high near 81. Chance of precipitation is 20%.
Tuesday Night
Mostly cloudy, with a low around 63.
Wednesday
Mostly sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 64.
Thursday
A chance of showers after 9am. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A chance of showers. Mostly sunny, with a high near 86. Chance of precipitation is 40%.
Friday Night
A chance of showers. Partly cloudy, with a low around 67. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Click Map For Forecast
Point Forecast:
Swarthmore PA
 39.91°N 75.34°W (Elev. 197 ft)
10:15 pm EDT Jul 31, 2021
12am EDT Aug 1, 2021-6pm EDT Aug 6, 2021
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database