Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Overcast

72°F

22°C

Humidity 83%
Wind Speed SE 5 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 22 Aug 9:35 pm EDT
Extended Forecast for

Berwyn PA

  • Tonight

    Tonight: Showers and thunderstorms likely before 5am, then a chance of showers.  Patchy fog after 3am.  Otherwise, mostly cloudy, with a low around 66. East wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Chance
    Showers then
    Showers
    Likely and
    Patchy Fog

  • Sunday

    Sunday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 11am.  Patchy fog before 10am.  Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon.  Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms and
    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. West wind around 5 mph.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 80. West wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 60. West wind around 5 mph.

    Low: 60 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

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

    Low: 66 °F

    Partly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely before 5am, then a chance of showers. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 66. East wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms between 8am and 11am. Patchy fog before 10am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 82. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 61. West wind around 5 mph.
Monday
Sunny, with a high near 80. West wind 5 to 10 mph.
Monday Night
Clear, with a low around 60. West wind around 5 mph.
Tuesday
Sunny, with a high near 81.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
A chance of showers after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 50%.
Thursday Night
A chance of showers. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Friday
A chance of showers. Partly sunny, with a high near 84. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Berwyn PA
 40.04°N 75.46°W (Elev. 466 ft)
7:53 pm EDT Aug 22, 2026
9pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database