Potomac River - Marbury Point Weather Forecast

    • 65
    • 68

    Rain Showers

    • 63
    • 82

    Partly Sunny

    • 63
    • 86

    Mostly Sunny

    • 61
    • 77

    Partly Sunny

    • 61
    • 75

    Partly Sunny

    • 63
    • 78

    Partly Sunny

Today 17 Sep District of Columbia

Cloudy. Showers likely late this Morning, then a chance of Showers this afternoon. Highs in the upper 60s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 17 Sep District of Columbia

Mostly cloudy. A chance of Showers in the evening. Patchy fog. Lows in the mid 60s. North Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Real-Time

Potomac River - Marbury Point Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 9 September, 2025

    55.9 °F

  • Average September

    71.2 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.2 °F
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