Bull Run Weather Forecast

    • 69
    • 95

    Rain Showers

    • 66
    • 79

    Chance Rain Showers

    • 67
    • 77

    Chance Rain Showers

    • 66
    • 82

    Chance Rain Showers

    • 64
    • 83

    Slight Chance Rain Showers

    • 65
    • 85

    Partly Sunny

    • 68
    • 85

    Slight Chance Thunderstorms

Today 17 Aug Northwest Prince William

Partly sunny with scattered Showers with isolated Thunderstorms. Highs in the lower 90s. West Winds around 5 Mph. Chance of rain 50 percent.

Tonight 17 Aug Northwest Prince William

Widespread Showers and Thunderstorms this evening. Some Thunderstorms may produce gusty Winds and heavy rainfall this evening. Lows in the upper 60s. Northwest Winds 5 to 10 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bull Run Temperature Statistics

August Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (4.3 miles)

  • Lowest 10 August, 2025

    55 °F

  • Average August

    73.4 °F

  • Highest 14 August, 2025

    91.9 °F

Climate (2020–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (4.3 miles)

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68 °F
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