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

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

26°F

-3°C

Humidity 96%
Wind Speed Calm
Barometer 30.08 in (1019.5 mb)
Dewpoint 25°F (-4°C)
Visibility 8.00 mi
Last update 7 Dec 7:56 pm EST
Extended Forecast for

Bristow VA

  • Tonight

    Tonight: Patchy fog between midnight and 4am. Otherwise, cloudy, with a low around 25. Calm wind becoming north 5 to 9 mph after midnight.

    Low: 25 °F

    Cloudy then
    Patchy Fog

  • Monday

    Monday: A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 32. North wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 14. North wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 29. South wind 8 to 10 mph, with gusts as high as 18 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

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

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance Rain
    then Chance
    Rain/Snow

Detailed Forecast

Tonight
Patchy fog between midnight and 4am. Otherwise, cloudy, with a low around 25. Calm wind becoming north 5 to 9 mph after midnight.
Monday
A chance of snow, mainly before 1pm. Mostly cloudy, with a high near 32. North wind 8 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 14. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 38. Light southwest wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 29. South wind 8 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain before 1am, then a chance of rain and snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A chance of snow before 1pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 18.
Sunday
Mostly sunny, with a high near 33.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bristow VA
 38.74°N 77.54°W (Elev. 200 ft)
Last Update:
6:53 pm EST Dec 7, 2025
Forecast Valid:
8pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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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