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.

Overcast

75°F

24°C

Humidity 45%
Wind Speed S 14 mph
Barometer 29.56 in (1000.8 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 12 Mar 3:52 am EDT
Extended Forecast for

Mc Lean VA

  • Overnight

    Overnight: A chance of rain. Cloudy, with a low around 42. Breezy, with a west wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.

    Low: 42 °F

    Chance Rain
    and Breezy

  • Thursday

    Thursday: Rain and snow, mainly before 2pm. Temperature falling to around 35 by 1pm. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 46 °F⇓

    Rain/Snow and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31. Northwest wind 5 to 9 mph becoming light west after midnight.

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Partly sunny, with a high near 52. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.

    High: 52 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 41. Southwest wind 10 to 17 mph, with gusts as high as 31 mph.

    Low: 41 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 56.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

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

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 61.

    High: 61 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.

    Low: 53 °F

    Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Overnight
A chance of rain. Cloudy, with a low around 42. Breezy, with a west wind 11 to 20 mph, with gusts as high as 33 mph. Chance of precipitation is 40%.
Thursday
Rain and snow, mainly before 2pm. Temperature falling to around 35 by 1pm. Breezy, with a northwest wind 11 to 21 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Thursday Night
Mostly clear, with a low around 31. Northwest wind 5 to 9 mph becoming light west after midnight.
Friday
Partly sunny, with a high near 52. Breezy, with a south wind 8 to 13 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.
Friday Night
Mostly clear, with a low around 41. Southwest wind 10 to 17 mph, with gusts as high as 31 mph.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Mostly cloudy, with a high near 61.
Sunday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 70%.
Monday
Showers. High near 69. Chance of precipitation is 90%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 30. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly clear, with a low around 25.
Wednesday
Mostly sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
3:14 am EDT Mar 12, 2026
Forecast Valid:
4am EDT Mar 12, 2026-6pm EDT Mar 18, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation