Holly Knoll Park Weather Forecast

    • 49
    • 62

    Increasing Clouds

    • 51
    • 72

    Partly Sunny

    • 63
    • 82

    Slight Chance Thunderstorms

    • 65
    • 90

    Slight Chance Thunderstorms

    • 68
    • 89

    Mostly Sunny

    • 71
    • 91

    Partly Sunny

Today 14 May Eastern Loudoun

Partly sunny this Morning, then mostly cloudy with scattered Sprinkles this afternoon. Highs in the lower 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 14 May Eastern Loudoun

Mostly cloudy with scattered Sprinkles in the Evening, then partly cloudy after midnight. Lows in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Holly Knoll Park Temperature Statistics

May Temperature

Washington/Dulles International Airport, DC (6.8 miles)

  • Lowest 8 May, 2026

    37.7 °F

  • Average May

    59.4 °F

  • Highest 5 May, 2026

    85.6 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (6.8 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.6 °F
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