Widespread Summer Heat; Enhanced Severe Weather

A large ridge of high pressure continues to deliver summer heat w/ humidity in several sections of the country. Excessive heat warnings and heat advisories are in effect across the Desert Southwest, south-central Plains, Mid to Lower Mississippi Valley and a small part of the Mid-Atlantic. Meanwhile, an enhanced risk of organized severe thunderstorms is possible from Iowa to Illinois and Indiana. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

29°C

84°F

Humidity 59%
Wind Speed NE 11 km/h
Barometer 1019.3 mb (30.10 in)
Dewpoint 20°C (68°F)
Visibility 16 km
Heat Index31°C (87°F)
Last update 20 Aug 9:54 am EDT
Extended Forecast for

Philadelphia PA

Heat Advisory until August 21, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory until August 21, 08:00pm

    NOW until
    8:00pm Wed

    Heat Advisory

  • Today

    Today: A chance of showers and thunderstorms, mainly after 3pm.  Partly sunny, with a high near 33. Northeast wind 8 to 10 km/h becoming southeast in the afternoon.  Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.

    Mostly Sunny
    then Chance
    T-storms

    High: 33 °C

  • Tonight

    Tonight: A chance of showers and thunderstorms, mainly before 3am.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 24. South wind 5 to 10 km/h becoming calm  after midnight.  Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms and
    Patchy Fog

    Low: 24 °C

  • Wednesday

    Wednesday: A chance of showers and thunderstorms.  Patchy fog before 8am.  Otherwise, mostly cloudy, with a high near 33. Heat index values as high as 39. South wind 5 to 14 km/h.  Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms and
    Patchy Fog

    High: 33 °C

  • Wednesday
    Night

    Wednesday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 24. Southwest wind 10 to 14 km/h.  Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    Low: 24 °C

  • Thursday

    Thursday: A chance of showers and thunderstorms.  Partly sunny, with a high near 33. West wind 8 to 13 km/h.  Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 33 °C

  • Thursday
    Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 21. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.

    Chance
    T-storms then
    Chance
    Showers

    Low: 21 °C

  • Friday

    Friday: A chance of showers before 9am.  Mostly sunny, with a high near 27. Chance of precipitation is 40%.

    Chance
    Showers then
    Mostly Sunny

    High: 27 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 17.

    Partly Cloudy

    Low: 17 °C

Detailed Forecast

Today
A chance of showers and thunderstorms, mainly after 3pm. Partly sunny, with a high near 33. Northeast wind 8 to 10 km/h becoming southeast in the afternoon. Chance of precipitation is 30%. New rainfall amounts between 2.5 and 5 mm possible.
Tonight
A chance of showers and thunderstorms, mainly before 3am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 24. South wind 5 to 10 km/h becoming calm after midnight. Chance of precipitation is 40%. New rainfall amounts between 2.5 and 5 mm possible.
Wednesday
A chance of showers and thunderstorms. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 33. Heat index values as high as 39. South wind 5 to 14 km/h. Chance of precipitation is 50%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 24. Southwest wind 10 to 14 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 33. West wind 8 to 13 km/h. Chance of precipitation is 40%. New rainfall amounts of less than 1 mm, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 21. Chance of precipitation is 50%. New rainfall amounts between 2.5 and 5 mm possible.
Friday
A chance of showers before 9am. Mostly sunny, with a high near 27. Chance of precipitation is 40%.
Friday Night
Partly cloudy, with a low around 17.
Saturday
Sunny, with a high near 27.
Saturday Night
Mostly clear, with a low around 18.
Sunday
Mostly sunny, with a high near 28.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 27.
Click Map For Forecast
Point Forecast:
Philadelphia PA
 39.96°N 75.16°W (Elev. 8 m)
9:40 am EDT Aug 20, 2019
10am EDT Aug 20, 2019-6pm EDT Aug 26, 2019
 
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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