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

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Shallow Fog

36°F

2°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.67 in (1004.7 mb)
Dewpoint 36°F (2°C)
Visibility 7.00 mi
Last update 7 Jan 12:52 am EST
Extended Forecast for

McLean VA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 43. Southwest wind around 7 mph.

    Low: 43 °F

    Patchy Fog

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 35. Northwest wind around 6 mph becoming calm after midnight.

    Low: 35 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Southeast wind 5 to 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain. Cloudy, with a high near 61. Chance of precipitation is 40%.

    High: 61 °F

    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 54. Chance of precipitation is 70%.

    Low: 54 °F

    Chance Rain
    then Rain
    Likely

  • Saturday

    Saturday: Rain. High near 65. Chance of precipitation is 90%.

    High: 65 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 43. Southwest wind around 7 mph.
Wednesday
Mostly sunny, with a high near 57. Northwest wind 6 to 11 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 35. Northwest wind around 6 mph becoming calm after midnight.
Thursday
Mostly sunny, with a high near 54. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 41. Southeast wind 5 to 7 mph.
Friday
A chance of rain. Cloudy, with a high near 61. Chance of precipitation is 40%.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Rain. High near 65. Chance of precipitation is 90%.
Saturday Night
Rain likely, mainly before 1am. Cloudy, with a low around 45. Chance of precipitation is 70%.
Sunday
A chance of rain before 1pm. Partly sunny, with a high near 50. Chance of precipitation is 30%.
Sunday Night
Partly cloudy, with a low around 30.
Monday
Sunny, with a high near 42.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Mostly sunny, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.93°N 77.19°W (Elev. 299 ft)
Last Update:
12:53 am EST Jan 7, 2026
Forecast Valid:
1am EST Jan 7, 2026-6pm EST Jan 13, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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