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

Strong to Severe Thunderstorms Continue Tonight in the East; Early Heat Wave in the West

Scattered strong to severe storms with damaging winds and potentially a tornado or two are expected tonight from the coastal Carolinas into the Mid-Atlantic states. An anomalously early heat wave will continue to intensify and expand across the West and Southwest as the week progresses. Numerous daily and potentially monthly record highs are expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

Washington/Reagan National Airport, DC (KDCA)

Lat: 38.85°NLon: 77.03°WElev: 13ft.

Mostly Cloudy

34°F

1°C

Humidity 44%
Wind Speed W 16 G 25 mph
Barometer 29.82 in (1009.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill24°F (-4°C)
Last update 17 Mar 4:52 am EDT
Extended Forecast for

McLean VA

  • Today

    Today: Mostly sunny, with a high near 41. West wind 13 to 15 mph, with gusts as high as 28 mph.

    High: 41 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy during the early evening, then becoming clear, with a low around 26. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 26 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.

    High: 42 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 31. Southeast wind around 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 53. South wind around 6 mph.

    High: 53 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.

    Low: 45 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 41. West wind 13 to 15 mph, with gusts as high as 28 mph.
Tonight
Mostly cloudy during the early evening, then becoming clear, with a low around 26. Northwest wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 42. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 31. Southeast wind around 6 mph.
Thursday
Partly sunny, with a high near 53. South wind around 6 mph.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 61.
Friday Night
A chance of rain. Mostly cloudy, with a low around 45. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 63.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Partly sunny, with a high near 69.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.
Monday
A chance of rain. Mostly sunny, with a high near 55. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
McLean VA
 38.92°N 77.16°W (Elev. 299 ft)
Last Update:
4:53 am EDT Mar 17, 2026
Forecast Valid:
5am EDT Mar 17, 2026-6pm EDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation