Bull Run Regional Park Weather Forecast

    • 48
    • 66

    Decreasing Clouds

    • 54
    • 73

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 55
    • 72

    Mostly Cloudy

    • 55
    • 73

    Partly Sunny

    • 55
    • 76

    Mostly Sunny

Today 24 Sep Northwest Prince William

Partly sunny. Highs in the mid 60s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 24 Sep Northwest Prince William

Partly cloudy. Lows in the upper 40s. North Winds 5 to 10 Mph.

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Bull Run Regional Park Temperature Statistics

September Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (5.6 miles)

  • Lowest 15 September, 2026

    50 °F

  • Average September

    73.7 °F

  • Highest 1 September, 2026

    96.1 °F

Climate (2021–2026)

Manassas, Manassas Regional Airport/Harry P. Davis Field (5.6 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.1 °F
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