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.

Overcast

42°F

6°C

Humidity 62%
Wind Speed S 14 mph
Barometer 29.55 in (1001.2 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 10 Dec 11:56 am EST
Extended Forecast for

Loch Lomond VA

  • This Afternoon

    This Afternoon: A chance of rain, mainly between 1pm and 3pm. Mostly cloudy, with a high near 47. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.

    High: 47 °F

    Chance Rain

  • Tonight

    Tonight: Partly cloudy, with a low around 29. Southwest wind around 10 mph becoming northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 39. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.

    High: 39 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 24. West wind 5 to 7 mph becoming calm after midnight.

    Low: 24 °F

    Increasing
    Clouds

  • Friday

    Friday: A chance of snow. Mostly cloudy, with a high near 38. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 40%.

    High: 38 °F

    Chance Snow

  • Friday Night

    Friday Night: A chance of snow before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Chance Snow

  • Saturday

    Saturday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.

    Low: 26 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A chance of rain, mainly between 1pm and 3pm. Mostly cloudy, with a high near 47. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 30%.
Tonight
Partly cloudy, with a low around 29. Southwest wind around 10 mph becoming northwest after midnight.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 39. Northwest wind 10 to 16 mph, with gusts as high as 26 mph.
Thursday Night
Increasing clouds, with a low around 24. West wind 5 to 7 mph becoming calm after midnight.
Friday
A chance of snow. Mostly cloudy, with a high near 38. Calm wind becoming southwest around 6 mph in the morning. Chance of precipitation is 40%.
Friday Night
A chance of snow before 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 44.
Saturday Night
A chance of snow after 1am. Mostly cloudy, with a low around 26. Chance of precipitation is 30%.
Sunday
Mostly sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 16.
Monday
Sunny, with a high near 33.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Mostly sunny, with a high near 39.
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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:
9:53 am EST Dec 10, 2025
Forecast Valid:
12pm EST Dec 10, 2025-6pm EST Dec 16, 2025
 
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