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

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

73°F

23°C

Humidity 87%
Wind Speed E 8 mph
Barometer 30.01 in (1016.6 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 22 Aug 11:56 am EDT
Extended Forecast for

Manassas VA

  • This Afternoon

    This Afternoon: Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. East wind around 6 mph. Chance of precipitation is 50%.

    High: 79 °F

    Scattered
    T-storms

  • Tonight

    Tonight: A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 50%.

    Low: 65 °F

    Chance
    T-storms then
    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Mostly sunny, with a high near 84. Light west wind increasing to 5 to 9 mph in the morning.

    High: 84 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 60. Northwest wind around 6 mph becoming calm after midnight.

    Low: 60 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the morning.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 83.

    High: 83 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Scattered showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 79. East wind around 6 mph. Chance of precipitation is 50%.
Tonight
A chance of showers and thunderstorms. Patchy fog after midnight. Otherwise, mostly cloudy, with a low around 65. Light and variable wind. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 84. Light west wind increasing to 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 60. Northwest wind around 6 mph becoming calm after midnight.
Monday
Sunny, with a high near 82. Calm wind becoming west 5 to 8 mph in the morning.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. Chance of precipitation is 20%.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 87. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Manassas VA
 38.76°N 77.48°W (Elev. 289 ft)
Last Update:
10:53 am EDT Aug 22, 2026
Forecast Valid:
12pm EDT Aug 22, 2026-6pm EDT Aug 28, 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