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.

Fair

36°F

2°C

Humidity 86%
Wind Speed SW 6 mph
Barometer 30.07 in (1018.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 7 Dec 7:52 pm EST
Extended Forecast for

Cabin John MD

  • Tonight

    Tonight: Mostly cloudy, with a low around 27. Calm wind becoming north 5 to 7 mph after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 32. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 18. North wind around 5 mph becoming calm in the evening.

    Low: 18 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. Calm wind becoming south 5 to 9 mph in the afternoon.

    High: 37 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 31. South wind 6 to 8 mph.

    Low: 31 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 45.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.

    Low: 29 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 27. Calm wind becoming north 5 to 7 mph after midnight.
Monday
A slight chance of snow between 8am and 10am. Mostly cloudy, with a high near 32. North wind 8 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 18. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 37. Calm wind becoming south 5 to 9 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 31. South wind 6 to 8 mph.
Wednesday
Mostly cloudy, with a high near 50.
Wednesday Night
Mostly cloudy, with a low around 34.
Thursday
Partly sunny, with a high near 45.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Friday
A chance of rain and snow before 1pm. Partly sunny, with a high near 40. Chance of precipitation is 30%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 21. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 34.
Saturday Night
Partly cloudy, with a low around 20.
Sunday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cabin John MD
 38.97°N 77.15°W (Elev. 56 ft)
Last Update:
6:53 pm EST Dec 7, 2025
Forecast Valid:
8pm EST Dec 7, 2025-6pm EST Dec 14, 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