Fire Weather Conditions in the Northwest U.S.; Heavy Rain in the West and South-central U.S.

Extreme heat is waning over the Pacific Northwest. Dry, gusty winds, and isolated dry thunderstorms will bring critical fire weather to the Pacific Northwest and Intermountain West. Heavy rain and thunderstorms continue across portions of the Great Basin, Rockies, and central/southern Plains into the Ozarks. An atmospheric river will bring heavy rain and strong winds to southwest Alaska. Read More >

Current conditions at

Philadelphia, Philadelphia International Airport (KPHL)

Lat: 39.87°NLon: 75.23°WElev: 7ft.

Mostly Cloudy

67°F

19°C

Humidity 57%
Wind Speed NW 5 mph
Barometer 30.07 in (1018.1 mb)
Dewpoint 51°F (11°C)
Visibility 10.00 mi
Last update 27 Aug 12:54 am EDT
Extended Forecast for

Claymont DE

  • Overnight

    Overnight: Partly cloudy, with a low around 58. Northwest wind around 5 mph.

    Low: 58 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 76. Northwest wind 5 to 10 mph.

    High: 76 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57. West wind around 5 mph becoming calm  in the evening.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 78 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers after 2am.  Partly cloudy, with a low around 63. South wind around 5 mph.  Chance of precipitation is 20%.

    Low: 63 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 78. Chance of precipitation is 20%.

    High: 78 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 58. Northwest wind around 5 mph.
Wednesday
Sunny, with a high near 76. Northwest wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 57. West wind around 5 mph becoming calm in the evening.
Thursday
Partly sunny, with a high near 78. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
A slight chance of showers after 2am. Partly cloudy, with a low around 63. South wind around 5 mph. Chance of precipitation is 20%.
Friday
A slight chance of showers before 8am, then a slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 78. Chance of precipitation is 20%.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 58.
Labor Day
Mostly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 60.
Tuesday
Mostly sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Claymont DE
 39.81°N 75.44°W (Elev. 52 ft)
4:10 pm EDT Aug 26, 2025
1am EDT Aug 27, 2025-6pm EDT Sep 2, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database