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.

Mostly Cloudy

39°F

4°C

Humidity 79%
Wind Speed NE 6 mph
Barometer 30.00 in (1015.8 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 27 Dec 7:52 am EST
Extended Forecast for

Cabin John MD

  • Today

    Today: Mostly sunny, with a high near 44. North wind 5 to 9 mph, with gusts as high as 18 mph.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Northeast wind around 6 mph becoming calm in the evening.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 1pm. Cloudy, with a high near 47. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.

    High: 47 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A chance of rain, mainly after 1am. Cloudy, with a low around 43. South wind 7 to 11 mph. Chance of precipitation is 40%.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: A chance of rain. Partly sunny, with a high near 63. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 63 °F

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 27.

    Low: 27 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 25.

    Low: 25 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 44. North wind 5 to 9 mph, with gusts as high as 18 mph.
Tonight
Partly cloudy, with a low around 29. Northeast wind around 6 mph becoming calm in the evening.
Sunday
A slight chance of rain after 1pm. Cloudy, with a high near 47. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 20%.
Sunday Night
A chance of rain, mainly after 1am. Cloudy, with a low around 43. South wind 7 to 11 mph. Chance of precipitation is 40%.
Monday
A chance of rain. Partly sunny, with a high near 63. Southwest wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Monday Night
Partly cloudy, with a low around 27.
Tuesday
Mostly sunny, with a high near 36.
Tuesday Night
Partly cloudy, with a low around 25.
Wednesday
Partly sunny, with a high near 42.
Wednesday Night
Mostly cloudy, with a low around 27.
New Year's Day
Mostly cloudy, with a high near 40.
Thursday Night
Partly cloudy, with a low around 19.
Friday
Sunny, with a high near 32.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cabin John MD
 38.99°N 77.15°W (Elev. 200 ft)
Last Update:
6:53 am EST Dec 27, 2025
Forecast Valid:
8am EST Dec 27, 2025-6pm EST Jan 2, 2026
 
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Additional Resources

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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