Dyke Marsh Wildlife Preserve Weather Forecast

    • 62
    • 86

    Partly Sunny

    • 63
    • 82

    Mostly Cloudy

    • 61
    • 75

    Chance Rain Showers

    • 61
    • 76

    Chance Rain Showers

    • 63
    • 81

    Slight Chance Thunderstorms

    • 64
    • 85

    Partly Sunny

Today 14 Sep Arlington/Falls Church/Alexandria

Mostly sunny. Highs in the mid 80s. Southwest Winds around 5 Mph, becoming east in the afternoon.

Tonight 14 Sep Arlington/Falls Church/Alexandria

Partly cloudy. Lows in the mid 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Dyke Marsh Wildlife Preserve Temperature Statistics

September Temperature

Washington/Reagan National Airport, DC (5.6 miles)

  • Lowest 9 September, 2025

    55.9 °F

  • Average September

    70.6 °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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