Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Fair

84°F

29°C

Humidity 46%
Wind Speed NA
Barometer 30.11 in (1019.3 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 4 Aug 2:54 pm EDT
Extended Forecast for

4 Miles S Cheltenham PA

  • Tonight

    Tonight: Patchy fog between 4am and 5am.  Otherwise, increasing clouds, with a low around 69. East wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm.  Patchy fog before 7am. High near 84. Calm wind becoming southeast around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Chance
    Showers and
    Patchy Fog
    then Showers

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers after 4am.  Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 72 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Heat index values as high as 103. Southwest wind 5 to 10 mph.  Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am.  Partly cloudy, with a low around 74. Southwest wind around 5 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 90. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 90 °F

    Sunny then
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms before 2am.  Mostly cloudy, with a low around 72. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms after 2pm.  Partly sunny, with a high near 89. Chance of precipitation is 30%.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 8pm.  Mostly cloudy, with a low around 72. Chance of precipitation is 30%.

    Low: 72 °F

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
Patchy fog between 4am and 5am. Otherwise, increasing clouds, with a low around 69. East wind around 5 mph becoming calm in the evening.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. Patchy fog before 7am. High near 84. Calm wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Heat index values as high as 103. Southwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 90. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Chance of precipitation is 50%.
Saturday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 89.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 74.
Tuesday
A chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Cheltenham PA
 40.02°N 75.11°W (Elev. 98 ft)
2:18 pm EDT Aug 4, 2026
3pm EDT Aug 4, 2026-6pm EDT Aug 11, 2026
 
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Additional Resources

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Hourly Weather Forecast

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