Loch Lomond Weather Forecast

    • 45
    • 71

    Becoming Sunny

    • 47
    • 70

    Mostly Sunny

    • 48
    • 68

    Mostly Cloudy

    • 49
    • 72

    Mostly Sunny

    • 51
    • 77

    Partly Sunny

    • 55
    • 74

    Mostly Cloudy

Today 26 Oct Northwest Prince William

Patchy fog and frost in the morning. Sunny. Highs around 70. Northwest Winds around 5 Mph.

Tonight 26 Oct Northwest Prince William

Mostly clear. Lows in the upper 40s. Northwest Winds around 5 Mph.

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Loch Lomond Temperature Statistics

October Temperature

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

  • Lowest 19 October, 2026

    32 °F

  • Average October

    60 °F

  • Highest 14 October, 2026

    91 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57.1 °F

  • Average High 2021–2026

    68.1 °F
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