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.

Fog/Mist

49°F

9°C

Humidity 97%
Wind Speed NE 7 mph
Barometer 30.16 in (1021.3 mb)
Dewpoint 48°F (9°C)
Visibility 6.00 mi
Wind Chill46°F (8°C)
Last update 10 Jan 5:52 am EST
Extended Forecast for

Cabin John MD

  • Today

    Today: Rain, mainly before 5pm. High near 48. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain likely, mainly before 1am. Mostly cloudy, with a low around 39. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 45. West wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.

    High: 45 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 29. West wind 13 to 17 mph, with gusts as high as 36 mph.

    Low: 29 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 45. West wind 7 to 9 mph.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 29.

    Low: 29 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

Detailed Forecast

Today
Rain, mainly before 5pm. High near 48. Calm wind becoming east 5 to 9 mph in the morning. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain likely, mainly before 1am. Mostly cloudy, with a low around 39. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
A slight chance of rain after 1pm, mixing with snow after 4pm. Mostly sunny, with a high near 45. West wind 11 to 18 mph, with gusts as high as 38 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 29. West wind 13 to 17 mph, with gusts as high as 36 mph.
Monday
Sunny, with a high near 45. West wind 7 to 9 mph.
Monday Night
Mostly clear, with a low around 29.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 40.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain after 1am. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 38. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Mostly sunny, with a high near 36.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cabin John MD
 38.95°N 77.19°W (Elev. 253 ft)
Last Update:
3:53 am EST Jan 10, 2026
Forecast Valid:
6am EST Jan 10, 2026-6pm EST Jan 16, 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