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

42°F

6°C

Humidity 68%
Wind Speed S 5 mph
Barometer 30.07 in (1018.9 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 7 Dec 3:56 pm EST
Extended Forecast for

Loch Lomond VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. Calm wind becoming north 5 to 8 mph after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: A chance of snow, mainly before noon. Mostly cloudy, with a high near 33. North wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 33 °F

    Chance Snow

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind around 5 mph becoming calm in the evening.

    Low: 16 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 30. South wind 7 to 10 mph, with gusts as high as 18 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 46.

    High: 46 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 26. Calm wind becoming north 5 to 8 mph after midnight.
Monday
A chance of snow, mainly before noon. Mostly cloudy, with a high near 33. North wind 8 to 11 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 16. North wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 38. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph.
Tuesday Night
Mostly cloudy, with a low around 30. South wind 7 to 10 mph, with gusts as high as 18 mph.
Wednesday
Mostly cloudy, with a high near 51.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
A chance of snow before 1pm. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Friday Night
Mostly cloudy, with a low around 20.
Saturday
Mostly sunny, with a high near 35.
Saturday Night
Partly cloudy, with a low around 19.
Sunday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Loch Lomond VA
 38.8°N 77.47°W (Elev. 148 ft)
Last Update:
3:53 pm EST Dec 7, 2025
Forecast Valid:
4pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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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