Potomac River - Fort Washington Light Weather Forecast

    • 52
    • 66

    Decreasing Clouds

    • 56
    • 72

    Mostly Sunny

    • 57
    • 73

    Mostly Sunny

    • 59
    • 72

    Mostly Cloudy

    • 59
    • 74

    Partly Sunny

    • 57
    • 77

    Mostly Sunny

    • 63
    • 80

    Partly Sunny

Today 24 Sep Prince Georges

Mostly cloudy. Highs in the mid 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 24 Sep Prince Georges

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the lower 50s. North Winds 5 to 10 Mph with Gusts up to 20 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

    74.7 °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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