Loch Lomond Weather Forecast

    • 68
    • 88

    Chance Thunderstorms

    • 67
    • 86

    Rain Showers

    • 66
    • 85

    Partly Sunny

    • 65
    • 85

    Mostly Sunny

    • 68
    • 87

    Partly Sunny

    • 68
    • 89

    Chance Rain Showers

Today 27 Jul Northwest Prince William

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. West Winds around 5 Mph, becoming south around 5 Mph in the afternoon. Chance of rain 30 percent.

Tonight 27 Jul Northwest Prince William

Partly cloudy. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loch Lomond Temperature Statistics

July Temperature

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

  • Lowest 24 July, 2026

    57.9 °F

  • Average July

    79.4 °F

  • Highest 4 July, 2026

    100 °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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