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

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

Lat: 38.72°NLon: 77.52°WElev: 194ft.

Overcast

24°C

75°F

Humidity 100%
Wind Speed Calm
Barometer 1013.5 mb (29.92 in)
Dewpoint 24°C (75°F)
Visibility 11 km
Last update 18 Jun 3:56 am EDT
Extended Forecast for

Manassas VA

  • Today

    Today: A slight chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 32. Southwest wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon. Chance of precipitation is 50%.

    High: 32 °C

    Chance
    Showers then
    Chance
    T-storms

  • Tonight

    Tonight: A chance of thunderstorms before 8pm. Mostly clear, with a low around 23. Southwest wind around 8 km/h. Chance of precipitation is 30%.

    Low: 23 °C

    Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 34. Heat index values as high as 38. Southwest wind 11 to 18 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.

    High: 34 °C

    Sunny then
    Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 18. Northwest wind 10 to 13 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.

    Low: 18 °C

    Showers
    Likely then
    Slight Chance
    T-storms

  • Friday

    Friday: Sunny, with a high near 31. Northwest wind around 10 km/h.

    High: 31 °C

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 19.

    Low: 19 °C

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 32.

    High: 32 °C

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 22.

    Low: 22 °C

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 35.

    High: 35 °C

    Mostly Sunny

Detailed Forecast

Today
A slight chance of showers between 7am and 11am, then a chance of showers and thunderstorms after 11am. Mostly cloudy, then gradually becoming sunny, with a high near 32. Southwest wind 5 to 10 km/h increasing to 11 to 16 km/h in the afternoon. Chance of precipitation is 50%.
Tonight
A chance of thunderstorms before 8pm. Mostly clear, with a low around 23. Southwest wind around 8 km/h. Chance of precipitation is 30%.
Juneteenth
Showers likely and possibly a thunderstorm after 2pm. Increasing clouds, with a high near 34. Heat index values as high as 38. Southwest wind 11 to 18 km/h, with gusts as high as 35 km/h. Chance of precipitation is 70%. New rainfall amounts between 2.5 and 5 mm possible.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 18. Northwest wind 10 to 13 km/h. Chance of precipitation is 60%. New rainfall amounts between 2.5 and 5 mm possible.
Friday
Sunny, with a high near 31. Northwest wind around 10 km/h.
Friday Night
Partly cloudy, with a low around 19.
Saturday
Sunny, with a high near 32.
Saturday Night
Partly cloudy, with a low around 22.
Sunday
Mostly sunny, with a high near 35.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny and hot, with a high near 37.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Sunny and hot, with a high near 37.
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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 m)
Last Update:
1:29 am EDT Jun 18, 2025
Forecast Valid:
4am EDT Jun 18, 2025-6pm EDT Jun 24, 2025
 
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