Thunderstorms and Heavy Rains in the Appalachians

Multiple rounds of moderate to locally heavy rain will impact portions of the Appalachians and Mid-Atlantic, which may lead to flash flooding concerns. Thunderstorms with isolated severe wind gusts will be possible this afternoon from parts of the Southeast into the southern and central Appalachians. A multi-day heavy rain will pose a flash flood threat in New Mexico beginning Tuesday. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

70°F

21°C

Humidity 59%
Wind Speed NE 14 mph
Barometer 30.08 in (1018.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 21 Sep 10:54 am EDT
Extended Forecast for

Philadelphia PA

  • Today

    Today: Partly sunny, with a high near 72. Northeast wind 5 to 10 mph.

    High: 72 °F

    Partly Sunny

  • Tonight

    Tonight: Showers likely, mainly after 2am.  Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely before 2pm, then a chance of showers after 3pm.  Cloudy, with a high near 64. Northeast wind around 10 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 64 °F

    Showers
    Likely then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 8pm.  Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 54 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A slight chance of showers before 2pm.  Mostly cloudy, with a high near 65. Northeast wind around 15 mph, with gusts as high as 30 mph.  Chance of precipitation is 20%.

    High: 65 °F

    Slight Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 65.

    High: 65 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers.  Partly sunny, with a high near 65. Chance of precipitation is 40%.

    High: 65 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 72. Northeast wind 5 to 10 mph.
Tonight
Showers likely, mainly after 2am. Mostly cloudy, with a low around 57. Northeast wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Showers likely before 2pm, then a chance of showers after 3pm. Cloudy, with a high near 64. Northeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of showers, mainly after 8pm. Mostly cloudy, with a low around 54. Northeast wind 10 to 15 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A slight chance of showers before 2pm. Mostly cloudy, with a high near 65. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 54.
Thursday
Mostly cloudy, with a high near 65.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
A chance of showers. Partly sunny, with a high near 65. Chance of precipitation is 40%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 30%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 69.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 26 ft)
4:09 am EDT Sep 21, 2026
11am EDT Sep 21, 2026-6pm EDT Sep 27, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database