Bull Run Regional Park Weather Forecast

    • 27
    • 52

    Increasing Clouds

    • 11
    • 44

    Mostly Cloudy

    • 14
    • 21

    Snow

    • 14
    • 22

    Snow Likely

    • 4
    • 26

    Mostly Sunny

    • 5
    • 27

    Partly Sunny

Today 22 Jan Northwest Prince William

Mostly sunny. Highs in the lower 50s. Southwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 22 Jan Northwest Prince William

Partly cloudy. Lows in the mid 20s. 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 19 January, 2026

    12.9 °F

  • Average January

    36.7 °F

  • Highest 7 January, 2026

    63 °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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