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

Tropical Moisture Brings Heavy Rain to Southwest; Strong Coastal Low to Impact the East Coast

Deep tropical moisture surging into the Southwest U.S. will lead to widespread showers and thunderstorms capable of producing flash flooding the next several days. A strong coastal low will develop late Friday and is expected to bring flooding, high surf, dangerous rip currents, gusty winds and heavy rain to much of the U.S. East Coast through early next week. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Fair

58°F

14°C

Humidity 44%
Wind Speed N 8 mph
Barometer 30.42 in (1030.1 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 9 Oct 7:52 pm EDT
Extended Forecast for

2 Miles N Washington-Dulles International Airport VA

Frost Advisory October 10, 02:00am until October 10, 09:00am
Click here for hazard details and duration
Frost Advisory

  • Tonight

    Tonight: Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. North wind 3 to 5 mph.

    Low: 36 °F

    Clear then
    Areas Frost

  • Friday

    Friday: Areas of frost before 9am. Otherwise, increasing clouds, with a high near 66. Light and variable wind becoming southeast 5 to 8 mph in the morning.

    High: 66 °F

    Areas Frost
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 50. Southeast wind around 6 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. East wind 5 to 9 mph. Chance of precipitation is 50%.

    High: 68 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely, mainly after 2am. Cloudy, with a low around 58. East wind 7 to 10 mph. Chance of precipitation is 70%.

    Low: 58 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers. High near 63. Chance of precipitation is 80%.

    High: 63 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.

    Low: 53 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.

    High: 62 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Tonight
Areas of frost after 5am. Otherwise, mostly clear, with a low around 36. North wind 3 to 5 mph.
Friday
Areas of frost before 9am. Otherwise, increasing clouds, with a high near 66. Light and variable wind becoming southeast 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 50. Southeast wind around 6 mph becoming calm after midnight.
Saturday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 68. East wind 5 to 9 mph. Chance of precipitation is 50%.
Saturday Night
Showers likely, mainly after 2am. Cloudy, with a low around 58. East wind 7 to 10 mph. Chance of precipitation is 70%.
Sunday
Showers. High near 63. Chance of precipitation is 80%.
Sunday Night
Showers likely. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Columbus Day
A chance of showers. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Monday Night
A chance of showers before 2am. Mostly cloudy, with a low around 54. Chance of precipitation is 30%.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Partly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles N Washington-Dulles International Airport VA
 39°N 77.44°W (Elev. 299 ft)
Last Update:
7:29 pm EDT Oct 9, 2025
Forecast Valid:
8pm EDT Oct 9, 2025-6pm EDT Oct 16, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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