Potomac Overlook Park Weather Forecast

    • 62
    • 84

    Becoming Sunny

    • 65
    • 88

    Mostly Sunny

    • 64
    • 78

    Mostly Cloudy

    • 62
    • 77

    Mostly Cloudy

    • 63
    • 80

    Partly Sunny

    • 65
    • 84

    Partly Sunny

Today 18 Sep Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 18 Sep Arlington/Falls Church/Alexandria

Mostly clear. Lows in the lower 60s. Southwest Winds around 5 Mph.

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Potomac Overlook Park Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 9 September, 2025

    55.9 °F

  • Average September

    70.9 °F

  • Highest 6 September, 2025

    91 °F

Climate (2020–Present)

Washington/Reagan National Airport, DC (5.6 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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