Bull Run Regional Park Weather Forecast

    • 16
    • 33

    Chance Snow

    • 29
    • 37

    Partly Sunny

    • 32
    • 49

    Mostly Cloudy

    • 26
    • 44

    Mostly Cloudy

    • 22
    • 43

    Chance Rain/Snow

    • 18
    • 35

    Partly Sunny

Today 8 Dec Northwest Prince William

Cloudy with a 50 percent chance of snow. Little or no snow accumulation. Highs in the lower 30s. North Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 Dec Northwest Prince William

Mostly cloudy with a slight chance of snow in the Evening, then mostly clear after midnight. Cold with Lows around 15. North Winds 5 to 10 Mph. Chance of snow 20 percent.

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Bull Run Regional Park Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    19.9 °F

  • Average December

    33.7 °F

  • Highest 3 December, 2025

    45 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68 °F
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