National Harbor Weather Forecast

    • 41
    • 53

    Rain

    • 26
    • 47

    Partly Sunny

    • 37
    • 42

    Mostly Cloudy

    • 42
    • 61

    Mostly Cloudy

    • 37
    • 53

    Mostly Cloudy

    • 43
    • 52

    Chance Rain

Today 31 Jan Arlington/Falls Church/Alexandria

Rain. Highs in the lower 50s. Southwest Winds 15 to 20 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

Tonight 31 Jan Arlington/Falls Church/Alexandria

Rain, mainly in the evening. Lows in the lower 40s. Southwest Winds 5 to 10 Mph, becoming west after midnight. Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Real-Time

National Harbor Temperature Statistics

January Temperature

Washington/Reagan National Airport, DC (4.3 miles)

  • Lowest 22 January, 2025

    15.9 °F

  • Average January

    33 °F

  • Highest 28 January, 2025

    54 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (4.3 miles)

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  • Average Low 2020–2025

    52.6 °F

  • Average 2020–2025

    60.3 °F

  • Average High 2020–2025

    69 °F
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