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

Heavy Rain and Thunderstorms in the Plains; Snow in the Northern Rockies; Heavy Rain in Guam

A storm system moving over the Rockies today will bring marginal risks for excessive rainfall and severe thunderstorms from parts of New Mexico into western South Dakota. Heavy snow expected from northwestern Wyoming into southern Montana. Ongoing heavy showers and thunderstorms from Invest 96W could result in localized flash flooding, particularly in central or southern Guam early this morning. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

A Few Clouds

67°F

19°C

Humidity 61%
Wind Speed N 13 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Last update 15 Oct 10:52 am EDT
Extended Forecast for

Cabin John MD

  • Today

    Today: Sunny, with a high near 70. North wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 43. North wind around 7 mph.

    Low: 43 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 63. North wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 63 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37. North wind around 6 mph.

    Low: 37 °F

    Clear

  • Friday

    Friday: Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 64. North wind around 7 mph.

    High: 64 °F

    Areas Frost
    then Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

  • Sunday

    Sunday: A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 70. North wind 8 to 11 mph, with gusts as high as 21 mph.
Tonight
Clear, with a low around 43. North wind around 7 mph.
Thursday
Sunny, with a high near 63. North wind 6 to 13 mph, with gusts as high as 22 mph.
Thursday Night
Clear, with a low around 37. North wind around 6 mph.
Friday
Areas of frost between 7am and 8am. Otherwise, sunny, with a high near 64. North wind around 7 mph.
Friday Night
Mostly clear, with a low around 43.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 53.
Sunday
A chance of showers after 2pm. Partly sunny, with a high near 73. Chance of precipitation is 30%.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Monday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 47.
Tuesday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cabin John MD
 38.99°N 77.15°W (Elev. 200 ft)
Last Update:
11:06 am EDT Oct 15, 2025
Forecast Valid:
11am EDT Oct 15, 2025-6pm EDT Oct 21, 2025
 
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