Loch Lomond Weather Forecast

    • 26
    • 43

    Mostly Cloudy

    • 14
    • 34

    Mostly Cloudy

    • 29
    • 37

    Mostly Cloudy

    • 33
    • 49

    Mostly Cloudy

    • 31
    • 48

    Chance Rain/Snow

    • 21
    • 43

    Slight Chance Rain/Snow

Today 7 Dec Northwest Prince William

Partly sunny. Highs in the lower 40s. South Winds around 5 Mph.

Tonight 7 Dec Northwest Prince William

Partly cloudy. Lows in the mid 20s. Northwest Winds around 5 Mph.

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Loch Lomond Temperature Statistics

December Temperature

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

  • Lowest 4 December, 2025

    19.9 °F

  • Average December

    34.6 °F

  • Highest 3 December, 2025

    45 °F

Climate (2020–Present)

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