Potomac River - Quantico Weather Forecast

    • 74
    • 91

    Isolated Thunderstorms

    • 67
    • 84

    Partly Sunny

    • 68
    • 82

    Mostly Sunny

    • 69
    • 84

    Partly Sunny

    • 73
    • 88

    Mostly Sunny

    • 77
    • 94

    Slight Chance Thunderstorms

Today 20 Jul Central and Southeast Prince William/Manassas/Manassas Park

Mostly sunny. Isolated Showers and Thunderstorms this afternoon. Highs in the lower 90s. West Winds 5 to 10 Mph. Chance of rain 20 percent.

Tonight 20 Jul Central and Southeast Prince William/Manassas/Manassas Park

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 70s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Potomac River - Quantico Temperature Statistics

July Temperature

Quantico Marine Corps Airfield - Turner Field (1.2 miles)

  • Lowest 5 July, 2025

    65.6 °F

  • Average July

    81.4 °F

  • Highest 8 July, 2025

    93.9 °F

Climate (2020–Present)

Quantico Marine Corps Airfield - Turner Field (1.2 miles)

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  • Average Low 2020–2025

    51.5 °F

  • Average 2020–2025

    59.9 °F

  • Average High 2020–2025

    68.7 °F
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