Potomac River - Marbury Point Weather Forecast

    • 75
    • 89

    Chance Rain Showers

    • 76
    • 88

    Rain Showers Likely

    • 74
    • 93

    Thunderstorms Likely

    • 72
    • 89

    Chance Thunderstorms

    • 71
    • 87

    Rain Showers Likely

    • 72
    • 84

    Rain Showers Likely

    • 73
    • 86

    Chance Thunderstorms

Today 6 Jul District of Columbia

Partly sunny with isolated Showers and Thunderstorms. Highs in the lower 90s. Southeast Winds around 10 Mph. Chance of rain 20 percent.

Tonight 6 Jul District of Columbia

Partly cloudy with isolated Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of Showers with a slight chance of Thunderstorms after midnight. Lows in the mid 70s. Southeast Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Real-Time

Potomac River - Marbury Point Temperature Statistics

July Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 4 July, 2025

    71.1 °F

  • Average July

    80.6 °F

  • Highest 1 July, 2025

    91 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    52.7 °F

  • Average 2020–2025

    60.5 °F

  • Average High 2020–2025

    69.2 °F
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