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

Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

78°F

26°C

Humidity 43%
Wind Speed N 14 G 23 mph
Barometer 29.94 in (1013.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 22 Jul 10:54 pm EDT
Extended Forecast for

Crum Lynne PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. North wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

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

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. North wind around 5 mph.
Thursday
Sunny, with a high near 81. North wind around 5 mph.
Thursday Night
Mostly clear, with a low around 63. Southwest wind around 5 mph becoming calm.
Friday
Sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 84.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 67.
Monday
A chance of showers after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 40%.
Wednesday
A chance of showers and thunderstorms. Mostly sunny, with a high near 85. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Crum Lynne PA
 39.87°N 75.35°W (Elev. 69 ft)
Last Update:
9:16 pm EDT Jul 22, 2026
Forecast Valid:
11pm EDT Jul 22, 2026-6pm EDT Jul 29, 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