Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Fair

83°F

28°C

Humidity 49%
Wind Speed NE 12 mph
Barometer 30.00 in (1016.4 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 21 Aug 4:56 pm EDT
Extended Forecast for

Washington Manassas Airport VA

  • Tonight

    Tonight: Isolated showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am.  Low around 64. Light and variable wind.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 64 °F

    Isolated
    Showers then
    Showers

  • Saturday

    Saturday: Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then scattered showers and thunderstorms after 2pm.  Areas of fog before 2pm. High near 80. Calm wind becoming east around 5 mph in the afternoon.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 80 °F

    Showers and
    Areas Fog

  • Saturday Night

    Saturday Night: Scattered showers and thunderstorms before 11pm, then isolated showers.  Mostly cloudy, with a low around 65. Calm wind.  Chance of precipitation is 40%.

    Low: 65 °F

    Scattered
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Calm wind becoming northwest 5 to 9 mph in the morning.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °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 84.

    High: 84 °F

    Sunny

  • Tuesday Night

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

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers before 2am, then showers and possibly a thunderstorm between 2am and 5am, then showers after 5am. Low around 64. Light and variable wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Showers before 8am, then showers and possibly a thunderstorm between 8am and 2pm, then scattered showers and thunderstorms after 2pm. Areas of fog before 2pm. High near 80. Calm wind becoming east around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Scattered showers and thunderstorms before 11pm, then isolated showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 40%.
Sunday
Mostly sunny, with a high near 85. Calm wind becoming northwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 61. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 84.
Monday Night
Mostly clear, with a low around 59.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
A slight chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 40%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Manassas Airport VA
 38.74°N 77.54°W (Elev. 200 ft)
4:53 pm EDT Aug 21, 2026
5pm EDT Aug 21, 2026-6pm EDT Aug 28, 2026
 
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