Potomac River - Hog Island Weather Forecast

    • 55
    • 75

    Mostly Cloudy

    • 61
    • 72

    Rain Showers

    • 64
    • 70

    Rain Showers

    • 61
    • 73

    Partly Sunny

    • 59
    • 78

    Partly Sunny

    • 55
    • 71

    Mostly Sunny

Today 9 Oct Arlington/Falls Church/Alexandria

Partly sunny this Morning, then becoming mostly cloudy. Highs in the mid 70s. Northwest Winds around 5 Mph.

Tonight 9 Oct Arlington/Falls Church/Alexandria

Mostly cloudy. Lows in the mid 50s. North Winds around 5 Mph in the Evening, becoming light and variable.

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Potomac River - Hog Island Temperature Statistics

October Temperature

Washington/Reagan National Airport, DC (6.2 miles)

  • Lowest 7 October, 2026

    48.9 °F

  • Average October

    65.8 °F

  • Highest 2 October, 2026

    86.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (6.2 miles)

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  • Average Low 2021–2026

    52.4 °F

  • Average 2021–2026

    60.5 °F

  • Average High 2021–2026

    69.3 °F
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