Potomac River - Mallows Bay Weather Forecast

    • 74
    • 86

    Chance Thunderstorms

    • 72
    • 90

    Chance Thunderstorms

    • 67
    • 84

    Mostly Sunny

    • 68
    • 82

    Partly Sunny

    • 71
    • 85

    Partly Sunny

    • 75
    • 90

    Partly Sunny

Today 19 Jul Charles

Partly sunny. Patchy fog in the morning. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Highs in the mid 80s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 19 Jul Charles

Mostly cloudy. Showers and Thunderstorms Likely, mainly in the evening. Lows in the lower 70s. South Winds around 5 Mph. Chance of rain 60 percent.

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  • Temperature Real-Time

Potomac River - Mallows Bay Temperature Statistics

July Temperature

Quantico Marine Corps Airfield - Turner Field (2.5 miles)

  • Lowest 5 July, 2025

    65.6 °F

  • Average July

    80.7 °F

  • Highest 8 July, 2025

    93.9 °F

Climate (2020–Present)

Quantico Marine Corps Airfield - Turner Field (2.5 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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