Potomac River - Hog Island Weather Forecast

    • 4
    • 24

    Mostly Sunny

    • 9
    • 22

    Partly Sunny

    • 13
    • 20

    Chance Snow

    • 16
    • 25

    Blustery

    • 17
    • 33

    Partly Sunny

    • 19
    • 35

    Partly Sunny

Today 29 Jan Arlington/Falls Church/Alexandria

Sunny. Highs in the lower 20s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 5 below in the morning.

Tonight 29 Jan Arlington/Falls Church/Alexandria

Mostly clear. Cold with Lows around 7 above. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Potomac River - Hog Island Temperature Statistics

January Temperature

Washington/Reagan National Airport, DC (6.2 miles)

  • Lowest 24 January, 2026

    10 °F

  • Average January

    36.6 °F

  • Highest 7 January, 2026

    63.6 °F

Climate (2021–Present)

Washington/Reagan National Airport, DC (6.2 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.3 °F

  • Average High 2021–2026

    69.1 °F
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