Current conditions at
Washington Manassas Airport (KHEF)
Lat: 38.72°NLon: 77.52°WElev: 194ft.
Fair
82°F
28°C
| Humidity | 65% |
| Wind Speed | N 6 mph |
| Barometer | 30.16 in (1021.7 mb) |
| Dewpoint | 69°F (21°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 15 Aug 9:56 am EDT |
Extended Forecast for
Manassas VA
Today

High: 88 °F
Mostly Sunny
Tonight
Low: 70 °F
Partly Cloudy
then Chance
ShowersSunday

High: 86 °F
Showers
Sunday Night

Low: 72 °F
Showers
LikelyMonday

High: 89 °F
Mostly Sunny
Monday Night

Low: 68 °F
Mostly Clear
Tuesday

High: 86 °F
Sunny
Tuesday Night

Low: 66 °F
Mostly Clear
Wednesday

High: 89 °F
Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 88. Calm wind.
Tonight
A chance of showers, with thunderstorms also possible after 5am. Mostly cloudy, with a low around 70. Light southeast wind. Chance of precipitation is 30%.
Sunday
Showers and thunderstorms before 4pm, then a chance of showers and thunderstorms after 5pm. High near 86. South wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and thunderstorms likely before 11pm, then showers likely between 11pm and 2am. Mostly cloudy, with a low around 72. South wind 5 to 7 mph becoming west after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 89. Northwest wind 5 to 9 mph.
Monday Night
Mostly clear, 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 89.
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 89. Chance of precipitation is 40%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 40%.
Friday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 84. Chance of precipitation is 20%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Manassas VA
38.76°N 77.48°W (Elev. 289 ft)
38.76°N 77.48°W (Elev. 289 ft)
7:53 am EDT Aug 15, 2026
10am EDT Aug 15, 2026-6pm EDT Aug 21, 2026


