Potomac River - High Point Weather Forecast

    • 66
    • 67

    Slight Chance Rain Showers

    • 65
    • 79

    Becoming Sunny

    • 66
    • 84

    Mostly Sunny

    • 66
    • 76

    Partly Sunny

    • 65
    • 74

    Partly Sunny

    • 65
    • 77

    Partly Sunny

    • 67
    • 79

    Partly Sunny

Today 17 Sep Charles

Cloudy with a 50 percent chance of Showers. Patchy fog. Highs in the upper 60s. North Winds around 10 Mph.

Tonight 17 Sep Charles

Mostly cloudy. Lows in the lower 60s. North Winds around 5 Mph.

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Potomac River - High Point Temperature Statistics

September Temperature

Fort Belvoir (6.8 miles)

  • Lowest 9 September, 2025

    49.8 °F

  • Average September

    67.9 °F

  • Highest 6 September, 2025

    92.7 °F

Climate (2020–Present)

Fort Belvoir (6.8 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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