Loch Lomond Weather Forecast

    • 41
    • 67

    Sunny

    • 46
    • 73

    Chance Rain Showers

    • 41
    • 64

    Mostly Sunny

    • 38
    • 63

    Mostly Sunny

    • 39
    • 62

    Partly Sunny

    • 44
    • 62

    Slight Chance Rain Showers

    • 46
    • 64

    Mostly Cloudy

Today 20 Oct Northwest Prince William

Mostly sunny. Highs in the mid 60s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 20 Oct Northwest Prince William

Clear. Lows in the lower 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming southwest around 5 Mph after midnight.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Loch Lomond Temperature Statistics

October Temperature

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

  • Lowest 10 October, 2025

    39 °F

  • Average October

    60.2 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

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

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    68.1 °F
Get WillyWeather+ to remove ads