Potomac River - Marbury Point Weather Forecast

    • 35
    • 45

    Chance Rain/Sleet

    • 41
    • 53

    Mostly Cloudy

    • 39
    • 54

    Chance Rain

    • 49
    • 56

    Chance Rain

    • 43
    • 64

    Chance Rain

    • 41
    • 56

    Mostly Cloudy

Today 22 Dec District of Columbia

Sunny. Highs in the mid 40s. Northwest Winds around 5 Mph, becoming southwest around 5 Mph in the afternoon.

Tonight 22 Dec District of Columbia

Cloudy. A chance of Rain, snow and sleet after midnight. Lows in the mid 30s. South Winds 5 to 10 Mph. Chance of precipitation 40 percent.

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Potomac River - Marbury Point Temperature Statistics

December Temperature

Washington/Reagan National Airport, DC (1.9 miles)

  • Lowest 15 December, 2025

    18 °F

  • Average December

    35.6 °F

  • Highest 19 December, 2025

    59 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    52.5 °F

  • Average 2020–2025

    60.4 °F

  • Average High 2020–2025

    69.1 °F
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