Loch Lomond Weather Forecast

    • 46
    • 80

    Rain Showers

    • 30
    • 48

    Rain Showers

    • 41
    • 55

    Partly Sunny

    • 39
    • 57

    Mostly Cloudy

    • 53
    • 61

    Rain

    • 28
    • 67

    Rain

    • 23
    • 41

    Partly Sunny

Today 11 Mar Northwest Prince William

Partly sunny with scattered Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds and large hail. Highs in the upper 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 11 Mar Northwest Prince William

Mostly cloudy. Scattered Showers and Thunderstorms in the Evening, then Showers likely after midnight. Some Thunderstorms may be severe with damaging Winds and large hail. Lows in the mid 40s. South Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest 15 to 20 Mph with Gusts up to 35 Mph after midnight. Chance of rain 70 percent.

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Loch Lomond Temperature Statistics

March Temperature

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

  • Lowest 2 March, 2026

    30 °F

  • Average March

    49.3 °F

  • Highest 9 March, 2026

    77 °F

Climate (2021–Present)

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 °F

  • Average High 2021–2026

    68 °F
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