Garchayne Park Weather Forecast

    • 50
    • 76

    Rain Showers

    • 42
    • 65

    Mostly Sunny

    • 47
    • 71

    Rain Showers

    • 41
    • 62

    Mostly Sunny

    • 40
    • 61

    Mostly Sunny

    • 41
    • 61

    Partly Sunny

Today 19 Oct Eastern Loudoun

Partly sunny and breezy. Highs in the upper 70s. South Winds 20 to 25 Mph with Gusts up to 35 Mph.

Tonight 19 Oct Eastern Loudoun

Showers, mainly in the evening. Lows around 50. South Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming southwest around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 90 percent.

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Garchayne Park Temperature Statistics

October Temperature

Washington/Dulles International Airport, DC (5 miles)

  • Lowest 17 October, 2025

    34 °F

  • Average October

    61 °F

  • Highest 6 October, 2025

    82.9 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (5 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.6 °F
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