Potomac River - Marshall Hall Weather Forecast

    • 52
    • 67

    Rain

    • 46
    • 59

    Breezy

    • 45
    • 60

    Partly Sunny

    • 45
    • 59

    Partly Sunny

    • 49
    • 61

    Partly Sunny

    • 44
    • 61

    Mostly Sunny

Today 30 Oct Charles

Rain with a slight chance of Thunderstorms in the Morning, then Showers likely in the afternoon. Highs in the upper 60s. Southeast Winds 10 to 15 Mph, becoming south in the afternoon. Gusts up to 30 Mph. Chance of rain 90 percent.

Tonight 30 Oct Charles

Rain with a chance of Thunderstorms. Patchy fog. Lows in the lower 50s. East Winds around 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

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Potomac River - Marshall Hall Temperature Statistics

October Temperature

Fort Belvoir (5 miles)

  • Lowest 24 October, 2025

    34.3 °F

  • Average October

    58.3 °F

  • Highest 6 October, 2025

    83.1 °F

Climate (2020–Present)

Fort Belvoir (5 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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