Bull Run Regional Park Weather Forecast

    • 34
    • 63

    Mostly Sunny

    • 40
    • 55

    Mostly Cloudy

    • 55
    • 61

    Rain

    • 43
    • 65

    Rain

    • 28
    • 52

    Partly Sunny

    • 26
    • 44

    Mostly Sunny

    • 31
    • 49

    Partly Sunny

Today 7 Jan Northwest Prince William

Mostly sunny. Highs in the lower 60s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 7 Jan Northwest Prince William

Mostly clear. Lows in the mid 30s. Northwest Winds around 5 Mph.

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Bull Run Regional Park Temperature Statistics

January Temperature

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

  • Lowest 5 January, 2026

    19 °F

  • Average January

    30.9 °F

  • Highest 4 January, 2026

    44.1 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68 °F
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