Potomac River - Fort Washington Light Weather Forecast

    • 60
    • 78

    Sunny

    • 51
    • 72

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 58
    • 79

    Mostly Sunny

    • 57
    • 75

    Partly Sunny

    • 57
    • 75

    Mostly Sunny

Today 29 May Prince Georges

Sunny. Highs in the upper 70s. North Winds around 5 Mph, becoming west this afternoon.

Tonight 29 May Prince Georges

Clear. Lows in the upper 50s. Southwest Winds 5 to 10 Mph, becoming west after midnight.

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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

    64.1 °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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