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

47°F

8°C

Humidity 100%
Wind Speed Calm
Barometer 30.16 in (1021.9 mb)
Dewpoint 47°F (8°C)
Visibility 3.00 mi
Last update 10 Jan 3:56 am EST
Extended Forecast for

The Plains VA

  • Overnight

    Overnight: A chance of rain. Cloudy, with a low around 43. Light north wind. Chance of precipitation is 30%.

    Low: 43 °F

    Chance Rain

  • Saturday

    Saturday: Rain, mainly before 4pm. High near 47. Calm wind becoming east around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Saturday Night

    Saturday Night: Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 36. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Rain Likely
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain, mixing with snow after 10am, then gradually ending. Mostly sunny, with a high near 44. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 33 mph.

    Low: 27 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Monday

    Monday: Sunny, with a high near 45.

    High: 45 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 37 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A chance of rain. Cloudy, with a low around 43. Light north wind. Chance of precipitation is 30%.
Saturday
Rain, mainly before 4pm. High near 47. Calm wind becoming east around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday Night
Rain likely, mainly before 1am. Cloudy, then gradually becoming partly cloudy, with a low around 36. Light and variable wind becoming northwest 6 to 11 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A slight chance of rain, mixing with snow after 10am, then gradually ending. Mostly sunny, with a high near 44. Breezy, with a west wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Sunday Night
Mostly clear, with a low around 27. Breezy, with a northwest wind 14 to 20 mph, with gusts as high as 33 mph.
Monday
Sunny, with a high near 45.
Monday Night
Mostly clear, with a low around 27.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 29. Chance of precipitation is 30%.
Thursday
A chance of rain. Partly sunny, with a high near 36. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Mostly sunny, with a high near 37.
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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 am EST Jan 10, 2026
Forecast Valid:
4am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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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