Loch Lomond Weather Forecast

    • 55
    • 72

    Rain Showers

    • 54
    • 62

    Rain Showers

    • 51
    • 72

    Rain Showers Likely

    • 48
    • 68

    Partly Sunny

    • 48
    • 68

    Partly Sunny

    • 54
    • 72

    Chance Rain Showers

    • 57
    • 75

    Chance Rain Showers

Today 20 May Northwest Prince William

Mostly cloudy. Highs around 70. Light and variable Winds.

Tonight 20 May Northwest Prince William

Cloudy. A chance of Showers this Evening, then Showers after midnight. Lows in the mid 50s. Southeast Winds 5 to 10 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Loch Lomond Temperature Statistics

May Temperature

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

  • Lowest 10 May, 2025

    43 °F

  • Average May

    68 °F

  • Highest 16 May, 2025

    88 °F

Climate (2020–Present)

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

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  • Average Low 2020–2025

    46.2 °F

  • Average 2020–2025

    57.1 °F

  • Average High 2020–2025

    68.1 °F
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