Potomac River - Fort Washington Light Weather Forecast

    • 40
    • 65

    Sunny

    • 39
    • 64

    Mostly Sunny

    • 38
    • 67

    Mostly Sunny

    • 48
    • 69

    Mostly Sunny

    • 46
    • 68

    Partly Sunny

    • 47
    • 64

    Mostly Cloudy

Today 23 Oct Prince Georges

Sunny. Highs in the lower 60s. Northeast Winds 5 to 10 Mph.

Tonight 23 Oct Prince Georges

Mostly clear. Lows in the upper 30s. Northeast Winds around 5 Mph.

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Potomac River - Fort Washington Light Temperature Statistics

October Temperature

Fort Belvoir (7.5 miles)

  • Lowest 18 October, 2026

    36.7 °F

  • Average October

    62.1 °F

  • Highest 14 October, 2026

    89.8 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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