Hazardous Coastal Conditions for the Mid-Atlantic; Storm System Approaching Southern Alaska

A Nor'easter will create hazardous marine and coastal conditions along the Mid-Atlantic coast through mid-week, with significant coastal flooding and beach erosion possible. Meanwhile, another strong storm system is forecast to bring high winds and heavy precipitation to portions of southern Alaska. Elsewhere, relatively benign weather is expected through the first half of the work week. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

59°F

15°C

Humidity 46%
Wind Speed N 9 mph
Barometer 30.30 in (1025.9 mb)
Dewpoint 38°F (3°C)
Visibility 10.00 mi
Last update 20 Oct 9:52 am EDT
Extended Forecast for

Herndon VA

  • Today

    Today: Sunny, with a high near 69. North wind around 10 mph, with gusts as high as 18 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 45. North wind around 7 mph.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64. North wind 6 to 8 mph.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 42. Northwest wind 3 to 5 mph.

    Low: 42 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 69. North wind around 10 mph, with gusts as high as 18 mph.
Tonight
Clear, with a low around 45. North wind around 7 mph.
Wednesday
Sunny, with a high near 64. North wind 6 to 8 mph.
Wednesday Night
Mostly clear, with a low around 42. Northwest wind 3 to 5 mph.
Thursday
Sunny, with a high near 66. Northwest wind 7 to 10 mph, with gusts as high as 18 mph.
Thursday Night
Mostly clear, with a low around 45.
Friday
Sunny, with a high near 60.
Friday Night
Clear, with a low around 39.
Saturday
Sunny, with a high near 60.
Saturday Night
Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 41.
Monday
Mostly sunny, with a high near 69.
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ABOUT THIS FORECAST

 
Point Forecast:
Herndon VA
 38.97°N 77.38°W (Elev. 354 ft)
7:53 am EDT Oct 20, 2026
10am EDT Oct 20, 2026-6pm EDT Oct 26, 2026
 
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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