Bull Run Weather Forecast

    • 63
    • 83

    Mostly Cloudy

    • 62
    • 85

    Becoming Sunny

    • 66
    • 88

    Sunny

    • 73
    • 97

    Hot

    • 71
    • 95

    Mostly Sunny

    • 70
    • 93

    Slight Chance Thunderstorms

    • 68
    • 92

    Chance Thunderstorms

Today 12 Jul Northwest Prince William

Showers likely with a chance of Thunderstorms. Highs in the lower 80s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 12 Jul Northwest Prince William

Mostly cloudy with scattered Showers with isolated Thunderstorms this Evening, then partly cloudy after midnight. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bull Run Temperature Statistics

July Temperature

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

  • Lowest 1 July, 2026

    70 °F

  • Average July

    81.5 °F

  • Highest 4 July, 2026

    100 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.1 °F
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