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

Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

Washington/Dulles International Airport, DC (KIAD)

Lat: 38.93°NLon: 77.45°WElev: 312ft.

A Few Clouds

50°F

10°C

Humidity 43%
Wind Speed NE 9 mph
Barometer 30.25 in (1024.3 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill46°F (8°C)
Last update 1 Mar 4:52 pm EST
Extended Forecast for

Fairfax VA

  • Tonight

    Tonight: Mostly clear, with a low around 27. Northeast wind 6 to 8 mph.

    Low: 27 °F

    Mostly Clear

  • Monday

    Monday: A chance of snow, mainly after 1pm. Cloudy, with a high near 36. Northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 50%.

    High: 36 °F

    Slight Chance
    Snow then
    Chance Snow

  • Monday Night

    Monday Night: A chance of snow before 1am, then snow, possibly mixed with rain and freezing rain between 1am and 4am, then rain or freezing rain after 4am. Low around 30. Southeast wind around 7 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance Snow
    then Wintry
    Mix

  • Tuesday

    Tuesday: Rain or freezing rain, becoming all rain after 7am. High near 49. South wind 6 to 9 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.

    High: 49 °F

    Rain/Freezing
    Rain then
    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, mainly before 1am. Cloudy, with a low around 45. Southwest wind around 9 mph. Chance of precipitation is 70%.

    Low: 45 °F

    Rain Likely

  • Wednesday

    Wednesday: A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.

    High: 66 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.

    Low: 53 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.

    High: 73 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Northeast wind 6 to 8 mph.
Monday
A chance of snow, mainly after 1pm. Cloudy, with a high near 36. Northeast wind around 7 mph becoming southeast in the afternoon. Chance of precipitation is 50%.
Monday Night
A chance of snow before 1am, then snow, possibly mixed with rain and freezing rain between 1am and 4am, then rain or freezing rain after 4am. Low around 30. Southeast wind around 7 mph. Chance of precipitation is 90%. New ice accumulation of less than a 0.1 of an inch possible. New snow accumulation of less than a half inch possible.
Tuesday
Rain or freezing rain, becoming all rain after 7am. High near 49. South wind 6 to 9 mph. Chance of precipitation is 80%. Little or no ice accumulation expected.
Tuesday Night
Rain likely, mainly before 1am. Cloudy, with a low around 45. Southwest wind around 9 mph. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 66. Chance of precipitation is 30%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 53. Chance of precipitation is 40%.
Thursday
A chance of rain after 1pm. Mostly cloudy, with a high near 73. Chance of precipitation is 30%.
Thursday Night
A chance of rain before 1am. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Friday
A chance of rain after 1pm. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 54.
Saturday
A chance of rain. Mostly sunny, with a high near 75. Chance of precipitation is 30%.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Sunday
A chance of rain. Mostly cloudy, with a high near 67. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fairfax VA
 38.85°N 77.32°W (Elev. 413 ft)
Last Update:
4:49 pm EST Mar 1, 2026
Forecast Valid:
5pm EST Mar 1, 2026-6pm EDT Mar 8, 2026
 
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