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

Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Mostly Cloudy

56°F

13°C

Humidity 57%
Wind Speed N 13 G 24 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 41°F (5°C)
Visibility 10.00 mi
Last update 25 Sep 8:52 am EDT
Extended Forecast for

3 Miles E Catharpin VA

  • Today

    Today: Mostly sunny, with a high near 73. North wind 11 to 16 mph, with gusts as high as 25 mph.

    High: 73 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 54. North wind around 11 mph, with gusts as high as 22 mph.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain between 11am and 2pm. Increasing clouds, with a high near 71. North wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 71 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 57. Northwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    Low: 57 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain after 2pm. Mostly cloudy, with a high near 68. North wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 72.

    High: 72 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 73. North wind 11 to 16 mph, with gusts as high as 25 mph.
Tonight
Partly cloudy, with a low around 54. North wind around 11 mph, with gusts as high as 22 mph.
Saturday
A slight chance of rain between 11am and 2pm. Increasing clouds, with a high near 71. North wind 14 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Saturday Night
A chance of rain, mainly before 8pm. Mostly cloudy, with a low around 57. Northwest wind 11 to 14 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Sunday
A slight chance of rain after 2pm. Mostly cloudy, with a high near 68. North wind around 16 mph, with gusts as high as 29 mph. Chance of precipitation is 20%.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Mostly cloudy, with a high near 72.
Monday Night
Mostly cloudy, with a low around 58.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 57.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Mostly cloudy, with a low around 60.
Thursday
Partly sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Catharpin VA
 38.85°N 77.52°W (Elev. 200 ft)
Last Update:
7:53 am EDT Sep 25, 2026
Forecast Valid:
9am EDT Sep 25, 2026-6pm EDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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