National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Fair

75°F

24°C

Humidity 82%
Wind Speed NW 3 mph
Barometer 29.84 in (1010.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 12 Aug 3:54 am EDT
Extended Forecast for

Cheltenham PA

  • Overnight

    Overnight: A slight chance of showers. Mostly cloudy, with a low around 68. North wind around 5 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Calm wind becoming west around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Thursday

    Thursday: Mostly sunny, with a high near 88. West wind around 5 mph.

    High: 88 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 70 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 20%.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Saturday Night

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

    Low: 64 °F

    Partly Cloudy

Detailed Forecast

Overnight
A slight chance of showers. Mostly cloudy, with a low around 68. North wind around 5 mph. Chance of precipitation is 20%.
Wednesday
Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 69. Calm wind becoming west around 5 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
Mostly sunny, with a high near 88. West wind around 5 mph.
Thursday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 20%.
Friday
A slight chance of showers before 8am, then a slight chance of showers after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A chance of showers after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 85. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 85.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cheltenham PA
 40.06°N 75.11°W (Elev. 174 ft)
Last Update:
4:09 am EDT Aug 12, 2026
Forecast Valid:
4am EDT Aug 12, 2026-6pm EDT Aug 18, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation