Manassas Weather Forecast

    • 41
    • 62

    Becoming Sunny

    • 54
    • 73

    Increasing Clouds

    • 50
    • 74

    Rain Showers

    • 48
    • 67

    Partly Sunny

    • 50
    • 73

    Partly Sunny

    • 61
    • 85

    Mostly Sunny

    • 62
    • 89

    Mostly Sunny

Today 11 May Northwest Prince William

Mostly sunny. Highs in the lower 60s. North Winds around 5 Mph.

Tonight 11 May Northwest Prince William

Mostly clear. Lows in the lower 40s. Northwest Winds around 5 Mph.

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Manassas Temperature Statistics

May Temperature

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

  • Lowest 1 May, 2026

    36 °F

  • Average May

    59.1 °F

  • Highest 5 May, 2026

    84.9 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    45.9 °F

  • Average 2021–2026

    57 °F

  • Average High 2021–2026

    68.1 °F
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