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

28°F

-2°C

Humidity 92%
Wind Speed Calm
Barometer 30.12 in (1020.8 mb)
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Last update 3 Dec 8:56 pm EST
Extended Forecast for

Loch Lomond VA

  • Tonight

    Tonight: Mostly clear, with a low around 24. Light and variable wind.

    Low: 24 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 44. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.

    High: 44 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 21. North wind 5 to 9 mph becoming calm after midnight.

    Low: 21 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow. Cloudy, with a high near 35. South wind 3 to 6 mph. Chance of precipitation is 50%.

    High: 35 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 10pm, then a chance of snow and freezing rain between 10pm and 1am, then a slight chance of freezing rain after 1am. Cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%.

    Low: 23 °F

    Chance Wintry
    Mix

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 28.

    Low: 28 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 43.

    High: 43 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 24. Light and variable wind.
Thursday
Mostly sunny, with a high near 44. Light northwest wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 22 mph.
Thursday Night
Increasing clouds, with a low around 21. North wind 5 to 9 mph becoming calm after midnight.
Friday
A chance of snow. Cloudy, with a high near 35. South wind 3 to 6 mph. Chance of precipitation is 50%.
Friday Night
A chance of snow before 10pm, then a chance of snow and freezing rain between 10pm and 1am, then a slight chance of freezing rain after 1am. Cloudy, with a low around 23. Calm wind. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
Mostly cloudy, with a low around 28.
Sunday
Partly sunny, with a high near 43.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Partly sunny, with a high near 38.
Monday Night
Partly cloudy, with a low around 21.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loch Lomond VA
 38.78°N 77.47°W (Elev. 210 ft)
Last Update:
9:53 pm EST Dec 3, 2025
Forecast Valid:
9pm EST Dec 3, 2025-6pm EST Dec 10, 2025
 
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