Potomac River - High Point Weather Forecast

    • 66
    • 81

    Increasing Clouds

    • 68
    • 83

    Mostly Sunny

    • 74
    • 84

    Mostly Sunny

    • 69
    • 88

    Chance Thunderstorms

    • 67
    • 82

    Partly Sunny

    • 69
    • 83

    Slight Chance Rain Showers

Today 7 Sep Charles

Mostly sunny. Highs in the lower 80s. Northeast Winds around 5 Mph.

Tonight 7 Sep Charles

Partly cloudy in the Evening, then becoming mostly clear. Lows around 60. Southeast Winds around 5 Mph, becoming southwest after midnight.

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Potomac River - High Point Temperature Statistics

September Temperature

Fort Belvoir (6.8 miles)

  • Lowest 3 September, 2026

    71.2 °F

  • Average September

    80 °F

  • Highest 1 September, 2026

    96.4 °F

Climate (2021–2026)

Fort Belvoir (6.8 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.4 °F
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