Dyke Marsh Wildlife Preserve Weather Forecast

    • 41
    • 65

    Sunny

    • 40
    • 64

    Mostly Sunny

    • 39
    • 68

    Mostly Sunny

    • 49
    • 70

    Mostly Sunny

    • 49
    • 69

    Partly Sunny

    • 50
    • 67

    Mostly Cloudy

    • 52
    • 71

    Partly Sunny

Today 23 Oct Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the lower 70s.

Tonight 23 Oct Arlington/Falls Church/Alexandria

Mostly clear. Lows in the lower 40s. Northeast Winds around 5 Mph.

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  • Temperature Real-Time

Dyke Marsh Wildlife Preserve Temperature Statistics

October Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 19 October, 2026

    42.1 °F

  • Average October

    65 °F

  • Highest 14 October, 2026

    90.6 °F

Climate (2021–2026)

Washington/Reagan National Airport, DC (5.6 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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