Notice of NWS' New Version of Forecast
A new version of Forecast is coming soon!
Click here to visit the new site for details.

Unsettled Across the West; Increasingly Rainy with a Few Storms in the South

A frontal system will bring heavy precipitation, including mountain snowfall to much of the Pacific Northwest, northern California, and portions of the Rockies through Tuesday. Elsewhere, wet weather will return to much of the South with locally heavy rainfall; a few strong to severe thunderstorms will also be possible in this region by Tuesday. Read More >

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Partly Cloudy

42°F

6°C

Humidity 82%
Wind Speed S 3 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 18 Dec 8:52 am EST
Extended Forecast for

Mc Lean VA

  • Today

    Today: Partly sunny, with a high near 52. Calm wind becoming west around 5 mph in the afternoon.

    Partly Sunny

    High: 52 °F

  • Tonight

    Tonight: Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming calm  in the evening.

    Mostly Cloudy

    Low: 39 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph.

    Mostly Sunny

    High: 60 °F

  • Tuesday
    Night

    Tuesday Night: Partly cloudy, with a low around 41. West wind 7 to 9 mph.

    Partly Cloudy

    Low: 41 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Northwest wind 6 to 9 mph.

    Partly Sunny

    High: 48 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 31.

    Partly Cloudy

    Low: 31 °F

  • Thursday

    Thursday: Sunny, with a high near 43.

    Sunny

    High: 43 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 32.

    Mostly Clear

    Low: 32 °F

  • Friday

    Friday: Partly sunny, with a high near 50.

    Partly Sunny

    High: 50 °F

Detailed Forecast

Today
Partly sunny, with a high near 52. Calm wind becoming west around 5 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 60. Light southwest wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 20 mph.
Tuesday Night
Partly cloudy, with a low around 41. West wind 7 to 9 mph.
Wednesday
Partly sunny, with a high near 48. Northwest wind 6 to 9 mph.
Wednesday Night
Partly cloudy, with a low around 31.
Thursday
Sunny, with a high near 43.
Thursday Night
Mostly clear, with a low around 32.
Friday
Partly sunny, with a high near 50.
Friday Night
A chance of rain. Cloudy, with a low around 44. Chance of precipitation is 50%.
Saturday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 50%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Sunday
A chance of rain. Mostly cloudy, with a high near 51. Chance of precipitation is 40%.
Click Map For Forecast
Point Forecast:
Mc Lean VA
 38.95°N 77.19°W (Elev. 253 ft)
6:27 am EST Dec 18, 2017
9am EST Dec 18, 2017-6pm EST Dec 24, 2017
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database