Potomac River - Marbury Point Weather Forecast

    • 66
    • 85

    Increasing Clouds

    • 71
    • 88

    Chance Rain Showers

    • 70
    • 87

    Rain Showers Likely

    • 70
    • 87

    Chance Thunderstorms

    • 69
    • 86

    Partly Sunny

    • 72
    • 88

    Partly Sunny

Today 25 Aug District of Columbia

Mostly sunny. Highs in the mid 80s. Northwest Winds 5 to 10 Mph.

Tonight 25 Aug District of Columbia

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 60s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Potomac River - Marbury Point Temperature Statistics

August Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 21 August, 2026

    65.6 °F

  • Average August

    81.2 °F

  • Highest 9 August, 2026

    94.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
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