Manassas Weather Forecast

    • 51
    • 73

    Mostly Sunny

    • 55
    • 75

    Mostly Sunny

    • 52
    • 74

    Sunny

    • 56
    • 75

    Mostly Sunny

    • 58
    • 80

    Slight Chance Thunderstorms

    • 56
    • 78

    Mostly Sunny

Today 24 Sep Eastern Loudoun

Sunny. Highs in the lower 70s. Northwest Winds around 5 Mph.

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Manassas Temperature Statistics

September Temperature

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

  • Lowest 11 September, 2021

    51.8 °F

  • Average September

    70.7 °F

  • Highest 15 September, 2021

    89.1 °F

Climate (2010–Present)

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

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  • Average Low 2010–Present

    47.3 °F

  • Average 2010–Present

    57.2 °F

  • Average High 2010–Present

    68.1 °F
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