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

Remnants of Arthur and Heavy Rainfall Across the South; Fire Weather Threat in the West

Life-threatening, potentially catastrophic flash flooding expected along the central Gulf Coast as the remnants of Arthur track across the area. Isolated brief tornadoes and damaging gusts remain possible overnight in the Southeast. Isolated to scattered dry thunderstorms may cause lightning-ignited fires and erratic behavior due to gusty winds across parts of the West Friday. Read More >

Current conditions at

Philadelphia, Northeast Philadelphia Airport (KPNE)

Lat: 40.08°NLon: 75.01°WElev: 118ft.

Fair

79°F

26°C

Humidity 47%
Wind Speed W 13 mph
Barometer 29.68 in (1005.0 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Jun 1:54 am EDT
Extended Forecast for

Cornwells PA

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. West wind around 10 mph.

    Low: 69 °F

    Mostly Cloudy

  • Juneteenth

    Juneteenth: Cloudy through mid morning, then gradual clearing, with a high near 83. West wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 83 °F

    Gradual
    Clearing

  • Friday Night

    Friday Night: Clear, with a low around 64. West wind 5 to 10 mph.

    Low: 64 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 83. West wind 10 to 15 mph.

    High: 83 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. Northwest wind 5 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: A chance of showers after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.

    Low: 65 °F

    Mostly Clear
    then Chance
    Showers

  • Monday

    Monday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.

    High: 83 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. West wind around 10 mph.
Juneteenth
Cloudy through mid morning, then gradual clearing, with a high near 83. West wind 10 to 15 mph, with gusts as high as 25 mph.
Friday Night
Clear, with a low around 64. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 83. West wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 63. Northwest wind 5 to 10 mph.
Sunday
Sunny, with a high near 86.
Sunday Night
A chance of showers after 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Monday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 83. Chance of precipitation is 80%.
Monday Night
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 65. Chance of precipitation is 80%.
Tuesday
A chance of showers before 8am. Mostly sunny, with a high near 83. Chance of precipitation is 30%.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 65.
Thursday
A chance of showers. Mostly sunny, with a high near 84. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwells PA
 40.07°N 74.96°W (Elev. 39 ft)
Last Update:
7:17 pm EDT Jun 18, 2026
Forecast Valid:
2am EDT Jun 19, 2026-6pm EDT Jun 25, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation