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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Washington Manassas Airport (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Mostly Cloudy

80°F

27°C

Humidity 67%
Wind Speed N 10 mph
Barometer 30.03 in (1017.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 28 Aug 9:56 am EDT
Extended Forecast for

2 Miles SSE Manassas Park VA

  • Today

    Today: A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. North wind around 5 mph. Chance of precipitation is 20%.

    High: 87 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 64. North wind 3 to 6 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. North wind 5 to 8 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. East wind 3 to 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 88. South wind 5 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 93.

    High: 93 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 11am and 2pm, then a slight chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87. North wind around 5 mph. Chance of precipitation is 20%.
Tonight
Partly cloudy, with a low around 64. North wind 3 to 6 mph.
Saturday
Mostly sunny, with a high near 85. North wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 65. East wind 3 to 5 mph.
Sunday
Mostly sunny, with a high near 88. South wind 5 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 70.
Monday
Mostly sunny, with a high near 91.
Monday Night
Partly cloudy, with a low around 72.
Tuesday
Mostly sunny, with a high near 93.
Tuesday Night
A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 74. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 73. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 30%.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSE Manassas Park VA
 38.73°N 77.45°W (Elev. 299 ft)
Last Update:
7:52 am EDT Aug 28, 2026
Forecast Valid:
10am EDT Aug 28, 2026-6pm EDT Sep 3, 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