Potomac River - Fort Washington Light Weather Forecast

    • 54
    • 63

    Chance Rain Showers

    • 52
    • 66

    Mostly Cloudy

    • 55
    • 70

    Partly Sunny

    • 57
    • 76

    Mostly Cloudy

    • 57
    • 74

    Partly Sunny

    • 57
    • 76

    Partly Sunny

Today 23 Sep Prince Georges

Cloudy with a 20 percent chance of Showers. Highs in the lower 60s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 23 Sep Prince Georges

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 50s. Northeast Winds 10 to 15 Mph with Gusts up to 30 Mph.

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Potomac River - Fort Washington Light Temperature Statistics

September Temperature

Fort Belvoir (7.5 miles)

  • Lowest 15 September, 2026

    53.8 °F

  • Average September

    75.3 °F

  • Highest 1 September, 2026

    96.4 °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

    68.4 °F
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