Manassas Weather Forecast

    • 65
    • 89

    Becoming Sunny

    • 72
    • 91

    Partly Sunny

    • 73
    • 90

    Chance Thunderstorms

    • 71
    • 93

    Chance Thunderstorms

    • 71
    • 91

    Chance Thunderstorms

    • 70
    • 89

    Chance Thunderstorms

Today 5 Jul Northwest Prince William

Sunny. Highs in the upper 80s. South Winds around 5 Mph.

Tonight 5 Jul Northwest Prince William

Mostly clear. Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Real-Time

Manassas Temperature Statistics

July Temperature

Manassas, Manassas Regional Airport/Harry P. Davis Field (3.1 miles)

  • Lowest 3 July, 2025

    66.9 °F

  • Average July

    79.2 °F

  • Highest 1 July, 2025

    91 °F

Climate (2020–Present)

Manassas, Manassas Regional Airport/Harry P. Davis Field (3.1 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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