Potomac River - Fort Washington Light Weather Forecast

    • 54
    • 79

    Mostly Sunny

    • 59
    • 77

    Mostly Sunny

    • 53
    • 77

    Mostly Sunny

    • 56
    • 73

    Partly Sunny

    • 57
    • 76

    Slight Chance Thunderstorms

    • 56
    • 74

    Chance Rain Showers

Today 28 May Prince Georges

Mostly sunny. Highs in the upper 70s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 28 May Prince Georges

Mostly clear. Lows in the lower 50s. North Winds 5 to 10 Mph.

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Potomac River - Fort Washington Light Temperature Statistics

May Temperature

Fort Belvoir (7.5 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    63.4 °F

  • Highest 19 May, 2026

    96.6 °F

Climate (2021–Present)

Fort Belvoir (7.5 miles)

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  • Average Low 2021–2026

    47.7 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.3 °F
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