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.

Fog/Mist

48°F

9°C

Humidity 100%
Wind Speed SW 3 mph
Barometer 29.79 in (1009.3 mb)
Dewpoint 48°F (9°C)
Visibility 1.75 mi
Last update 21 Mar 4:56 am EDT
Extended Forecast for

Bull Run VA

  • Today

    Today: Sunny, with a high near 67. North wind around 7 mph.

    High: 67 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. South wind 3 to 5 mph.

    Low: 47 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.

    High: 83 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of rain, then rain likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 51. Southwest wind around 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 51 °F

    Chance Rain
    then Rain
    Likely

  • Monday

    Monday: Rain likely, mainly before 8am. Partly sunny, with a high near 59. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.

    High: 59 °F

    Rain Likely
    then Chance
    Rain

  • Monday Night

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

    Low: 32 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 67. North wind around 7 mph.
Tonight
Partly cloudy, with a low around 47. South wind 3 to 5 mph.
Sunday
Partly sunny, with a high near 83. Southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunday Night
A chance of rain, then rain likely and possibly a thunderstorm after 2am. Increasing clouds, with a low around 51. Southwest wind around 9 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Rain likely, mainly before 8am. Partly sunny, with a high near 59. North wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 32.
Tuesday
Sunny, with a high near 53.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
Mostly cloudy, with a low around 41.
Thursday
Partly sunny, with a high near 67.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Friday
A chance of rain. Partly sunny, with a high near 61. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bull Run VA
 38.78°N 77.53°W (Elev. 299 ft)
Last Update:
4:53 am EDT Mar 21, 2026
Forecast Valid:
5am EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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