National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

81°F

27°C

Humidity 69%
Wind Speed N 8 mph
Barometer 30.07 in (1018.5 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Aug 8:56 pm EDT
Extended Forecast for

3 Miles WNW Vint Hill Farms Station VA

  • Tonight

    Tonight: A slight chance of showers and thunderstorms before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.

    Low: 69 °F

    Slight Chance
    T-storms then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. North wind around 5 mph becoming calm in the morning.

    High: 86 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers, mainly after 4am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.

    Low: 69 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 86. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. South wind 5 to 7 mph. Chance of precipitation is 50%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms before 11pm. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 69. Calm wind. Chance of precipitation is 20%.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 86. North wind around 5 mph becoming calm in the morning.
Saturday Night
A chance of showers, mainly after 4am. Increasing clouds, with a low around 69. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 8am. Mostly cloudy, with a high near 86. South wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. South wind 5 to 7 mph. Chance of precipitation is 50%.
Monday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 88.
Wednesday Night
A slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 20%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A chance of showers. Mostly sunny, with a high near 82. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WNW Vint Hill Farms Station VA
 38.76°N 77.73°W (Elev. 518 ft)
Last Update:
7:53 pm EDT Aug 14, 2026
Forecast Valid:
9pm EDT Aug 14, 2026-6pm EDT Aug 21, 2026
 
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