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

67°F

19°C

Humidity 53%
Wind Speed N 10 mph
Barometer 29.92 in (1013.8 mb)
Dewpoint 49°F (9°C)
Visibility 10.00 mi
Last update 21 Mar 12:56 pm EDT
Extended Forecast for

Manassas VA

  • This Afternoon

    This Afternoon: Sunny, with a high near 68. North wind around 6 mph.

    High: 68 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 47. Southeast wind around 6 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 60%. 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

This Afternoon
Sunny, with a high near 68. North wind around 6 mph.
Tonight
Partly cloudy, with a low around 47. Southeast wind around 6 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 60%. 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:
Manassas VA
 38.76°N 77.48°W (Elev. 289 ft)
Last Update:
10:53 am EDT Mar 21, 2026
Forecast Valid:
1pm EDT Mar 21, 2026-6pm EDT Mar 27, 2026
 
Forecast Discussion
 
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Additional Resources

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National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation