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

75°F

24°C

Humidity 62%
Wind Speed SE 7 mph
Barometer 30.15 in (1021.2 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 24 Jul 7:56 pm EDT
Extended Forecast for

Loch Lomond VA

  • Tonight

    Tonight: Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.

    Low: 66 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82. Light east wind.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Light and variable wind.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 88. Light and variable wind.

    High: 88 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.

    Low: 66 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 20%.

    High: 90 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.

    High: 90 °F

    Chance
    Showers then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Mostly cloudy, with a low around 66. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 82. Light east wind.
Saturday Night
Partly cloudy, with a low around 64. Light and variable wind.
Sunday
Partly sunny, with a high near 88. Light and variable wind.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 66. Calm wind. Chance of precipitation is 30%.
Monday
A slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 90. Chance of precipitation is 20%.
Monday Night
A chance of showers and thunderstorms, mainly after 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Tuesday
A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 90. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Low around 68. Chance of precipitation is 80%.
Wednesday
Mostly sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
A slight chance of showers. Sunny, with a high near 88. Chance of precipitation is 20%.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A slight chance of showers. Mostly sunny, with a high near 90. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Loch Lomond VA
 38.8°N 77.47°W (Elev. 148 ft)
Last Update:
7:53 pm EDT Jul 24, 2026
Forecast Valid:
8pm EDT Jul 24, 2026-6pm EDT Jul 31, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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