Claude Moore Park Weather Forecast

    • 61
    • 82

    Mostly Sunny

    • 62
    • 86

    Chance Thunderstorms

    • 68
    • 88

    Mostly Sunny

    • 58
    • 86

    Chance Thunderstorms

    • 53
    • 75

    Mostly Sunny

    • 54
    • 75

    Partly Sunny

Today 3 Sep Eastern Loudoun

Mostly sunny. Highs in the lower 80s. Light and variable Winds, becoming south around 5 Mph this afternoon.

Tonight 3 Sep Eastern Loudoun

Mostly clear. Lows around 60. South Winds around 5 Mph.

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Claude Moore Park Temperature Statistics

September Temperature

Washington/Dulles International Airport, DC (5.6 miles)

  • Lowest 1 September, 2025

    50 °F

  • Average September

    66.3 °F

  • Highest 1 September, 2025

    80.1 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (5.6 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.2 °F

  • Average High 2020–2025

    68.5 °F
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