Potomac River - Fort Washington Light Weather Forecast

    • 51
    • 72

    Sunny

    • 46
    • 75

    Mostly Sunny

    • 45
    • 64

    Mostly Cloudy

    • 45
    • 66

    Mostly Cloudy

    • 49
    • 68

    Mostly Cloudy

    • 53
    • 72

    Partly Sunny

    • 58
    • 74

    Chance Rain Showers

Today 29 Oct Prince Georges

Mostly cloudy with a 50 percent chance of Showers. Highs in the lower 70s.

Tonight 29 Oct Prince Georges

Clear. Lows in the lower 50s. Southwest Winds around 5 Mph.

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  • Temperature Real-Time

Potomac River - Fort Washington Light Temperature Statistics

October Temperature

Fort Belvoir (7.5 miles)

  • Lowest 18 October, 2026

    36.7 °F

  • Average October

    60 °F

  • Highest 14 October, 2026

    89.8 °F

Climate (2021–2026)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.3 °F
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