Fort Marcy Park Weather Forecast

    • 52
    • 72

    Sunny

    • 44
    • 75

    Mostly Sunny

    • 45
    • 64

    Mostly Cloudy

    • 45
    • 66

    Mostly Cloudy

    • 49
    • 68

    Mostly Cloudy

    • 52
    • 73

    Partly Sunny

    • 57
    • 74

    Chance Rain Showers

Today 29 Oct Arlington/Falls Church/Alexandria

Mostly cloudy with a 50 percent chance of Showers. Highs in the lower 70s.

Tonight 29 Oct Arlington/Falls Church/Alexandria

Clear. Lows in the lower 50s. Southwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fort Marcy Park Temperature Statistics

October Temperature

Washington/Reagan National Airport, DC (7.5 miles)

  • Lowest 19 October, 2026

    42.7 °F

  • Average October

    63.4 °F

  • Highest 14 October, 2026

    90.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (7.5 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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