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

Hazardous Weather Conditions

Current conditions at

Manassas, Manassas Regional Airport/Harry P. Davis Field (KHEF)

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Partly Cloudy

25°C

77°F

Humidity 90%
Wind Speed Calm
Barometer 1018.6 mb (30.07 in)
Dewpoint 23°C (74°F)
Visibility 16 km
Heat Index26°C (78°F)
Last update 12 Jul 9:56 pm EDT
Extended Forecast for

Manassas Regional Airport VA

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.

    Low: 22 °C

    Chance
    T-storms then
    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 31. Calm wind becoming southeast 5 to 10 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.

    High: 31 °C

    Chance
    Showers then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 22. Southeast wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 22 °C

    T-storms then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 32. Calm wind becoming north 5 to 8 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 32 °C

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%.

    Low: 21 °C

    Showers
    Likely then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.

    High: 32 °C

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Chance of precipitation is 30%.

    Low: 22 °C

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 40%.

    High: 32 °C

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.

    Low: 23 °C

    Chance
    T-storms then
    Mostly Cloudy

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 11pm. Mostly cloudy, with a low around 22. Calm wind. Chance of precipitation is 30%.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 31. Calm wind becoming southeast 5 to 10 km/h in the afternoon. Chance of precipitation is 80%. New rainfall amounts between 5 and 7.5 mm possible.
Sunday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 22. Southeast wind 5 to 8 km/h becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts between 7.5 mm and 1 cm possible.
Monday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 32. Calm wind becoming north 5 to 8 km/h in the afternoon. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 21. Calm wind. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 30%.
Tuesday Night
A chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 22. Chance of precipitation is 30%.
Wednesday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 32. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Thursday
A chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 33. Chance of precipitation is 50%.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 23. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 33. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 22. Chance of precipitation is 60%.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 31. Chance of precipitation is 40%.
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ABOUT THIS FORECAST

 
Point Forecast:
Manassas Regional Airport VA
 38.71°N 77.51°W (Elev. 200 m)
Last Update:
10:30 am EDT Jul 12, 2025
Forecast Valid:
10pm EDT Jul 12, 2025-6pm EDT Jul 19, 2025
 
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