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

29°F

-2°C

Humidity 41%
Wind Speed NW 17 G 21 mph
Barometer 29.68 in (1005.7 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 15 Jan 4:56 pm EST
Extended Forecast for

The Plains VA

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 18. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph.

    Low: 18 °F

    Decreasing
    Clouds

  • Friday

    Friday: Increasing clouds, with a high near 36. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.

    High: 36 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of snow showers after 1am. Increasing clouds, with a low around 29. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 29 °F

    Partly Cloudy
    then Slight
    Chance Snow
    Showers

  • Saturday

    Saturday: A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 47. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26. Northwest wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of snow before 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 20%.

    High: 32 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 16.

    Low: 16 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 10.

    Low: 10 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 18. Northwest wind 6 to 15 mph becoming southwest after midnight. Winds could gust as high as 26 mph.
Friday
Increasing clouds, with a high near 36. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 21 mph.
Friday Night
A slight chance of snow showers after 1am. Increasing clouds, with a low around 29. South wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
A chance of rain and snow before 10am, then a chance of rain between 10am and 1pm. Partly sunny, with a high near 47. Southwest wind 7 to 11 mph, with gusts as high as 21 mph. Chance of precipitation is 30%.
Saturday Night
Mostly cloudy, with a low around 26. Northwest wind around 5 mph.
Sunday
A slight chance of snow before 1pm. Mostly cloudy, with a high near 32. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 16.
M.L.King Day
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 10.
Tuesday
Sunny, with a high near 24.
Tuesday Night
Mostly clear, with a low around 10.
Wednesday
Mostly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 23.
Thursday
Mostly sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
The Plains VA
 38.85°N 77.78°W (Elev. 600 ft)
Last Update:
3:53 pm EST Jan 15, 2026
Forecast Valid:
5pm EST Jan 15, 2026-6pm EST Jan 22, 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