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

Hazardous Weather Conditions

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

Overcast

39°F

4°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 30.55 in (1034.7 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 9 Apr 2:52 am EDT
Extended Forecast for

3 Miles NNW Mc Lean VA

Frost Advisory until April 9, 09:00am
Click here for hazard details and duration
Frost Advisory
  •  
    Frost Advisory until April 9, 09:00am

    NOW until 9:00am Thu

    Frost Advisory

  • Overnight

    Low: 35 °F

    Areas Frost

  • Thursday

    Thursday: Areas of frost before 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.

    High: 61 °F

    Areas Frost
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 42. South wind 3 to 6 mph.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South wind around 7 mph becoming west after midnight.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 49.

    Low: 49 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

Detailed Forecast

Overnight
Areas of frost. Otherwise, partly cloudy, with a low around 35. Calm wind.
Thursday
Areas of frost before 9am. Otherwise, mostly sunny, with a high near 61. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 42. South wind 3 to 6 mph.
Friday
Sunny, with a high near 75. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. South wind around 7 mph becoming west after midnight.
Saturday
Sunny, with a high near 69.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Mostly sunny, with a high near 73.
Sunday Night
Partly cloudy, with a low around 59.
Monday
Mostly cloudy, with a high near 83.
Monday Night
Mostly cloudy, with a low around 64.
Tuesday
Mostly sunny, with a high near 89.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 91.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Mc Lean VA
 38.98°N 77.24°W (Elev. 98 ft)
Last Update:
2:23 am EDT Apr 9, 2026
Forecast Valid:
3am EDT Apr 9, 2026-6pm EDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation