Manassas Park Weather Forecast

    • 35
    • 46

    Chance Rain/Sleet

    • 39
    • 55

    Mostly Cloudy

    • 38
    • 55

    Chance Rain

    • 48
    • 58

    Chance Rain

    • 42
    • 66

    Chance Rain

    • 39
    • 57

    Mostly Cloudy

Today 22 Dec Northwest Prince William

Sunny. Highs in the mid 40s. West Winds around 5 Mph, becoming south around 5 Mph in the afternoon.

Tonight 22 Dec Northwest Prince William

Mostly cloudy. Rain likely with a chance of snow after midnight. Lows in the mid 30s. South Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of precipitation 60 percent.

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Manassas Park Temperature Statistics

December Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (5 miles)

  • Lowest 16 December, 2025

    12.9 °F

  • Average December

    32.9 °F

  • Highest 19 December, 2025

    61 °F

Climate (2020–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (5 miles)

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  • Average Low 2020–2025

    45.9 °F

  • Average 2020–2025

    57 °F

  • Average High 2020–2025

    68 °F
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