Potomac River - Fort Washington Light Weather Forecast

    • 45
    • 76

    Mostly Sunny

    • 45
    • 64

    Increasing Clouds

    • 43
    • 65

    Mostly Cloudy

    • 46
    • 67

    Mostly Cloudy

    • 53
    • 71

    Mostly Cloudy

    • 59
    • 72

    Rain Showers Likely

    • 59
    • 73

    Rain Showers Likely

Today 30 Oct Prince Georges

Mostly cloudy with a 50 percent chance of Showers. Highs around 70.

Tonight 30 Oct Prince Georges

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

    59.8 °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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