Potomac River - Sycamore Point Weather Forecast

    • 78
    • 89

    Slight Chance Thunderstorms

    • 76
    • 86

    Chance Thunderstorms

    • 77
    • 88

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 67
    • 85

    Mostly Sunny

    • 64
    • 81

    Mostly Sunny

Today 1 Sep Charles

Mostly sunny. Hot with Highs in the mid 90s. West Winds around 5 Mph.

Tonight 1 Sep Charles

Partly cloudy. Lows in the mid 70s. Southwest Winds around 5 Mph.

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Potomac River - Sycamore Point Temperature Statistics

September Temperature

Fort Belvoir (6.2 miles)

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  • Average September

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Climate (2021–2026)

Fort Belvoir (6.2 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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