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

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

50°F

10°C

Humidity 93%
Wind Speed S 5 mph
Barometer 30.03 in (1016.7 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill48°F (9°C)
Last update 10 Mar 5:52 am EDT
Extended Forecast for

Mc Lean VA

  • Today

    Today: Sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 61. South wind 3 to 5 mph.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.

    High: 79 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers before midnight, then a chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 52. South wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers
    Likely

  • Thursday

    Thursday: Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 54 °F

    Showers
    Likely and
    Breezy then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 79. Calm wind becoming south 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 61. South wind 3 to 5 mph.
Wednesday
A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 79. South wind 5 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 50%.
Wednesday Night
A chance of showers before midnight, then a chance of rain between midnight and 1am, then showers likely after 1am. Mostly cloudy, with a low around 52. South wind 11 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain showers likely before 5pm, then a slight chance of rain and snow showers. Mostly cloudy, with a high near 54. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 55.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Mostly cloudy, with a high near 66.
Sunday Night
Showers. Low around 47. Chance of precipitation is 80%.
Monday
Showers. High near 55. Chance of precipitation is 80%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.21°W (Elev. 299 ft)
Last Update:
4:53 am EDT Mar 10, 2026
Forecast Valid:
5am EDT Mar 10, 2026-6pm EDT Mar 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation