Potomac River - Fort Washington Light Weather Forecast

    • 46
    • 72

    Becoming Sunny

    • 46
    • 66

    Sunny

    • 53
    • 72

    Sunny

    • 54
    • 77

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

    • 53
    • 71

    Mostly Cloudy

Today 5 Oct Prince Georges

Areas of fog in the morning. Mostly sunny. Visibility one quarter mile or less at Times in the morning. Highs in the lower 70s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 5 Oct Prince Georges

Clear. Lows in the mid 40s. Northwest Winds 5 to 10 Mph.

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Potomac River - Fort Washington Light Temperature Statistics

October Temperature

Fort Belvoir (7.5 miles)

  • Lowest 2 October, 2026

    58.5 °F

  • Average October

    71.5 °F

  • Highest 2 October, 2026

    87.4 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.3 °F
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