Holly Knoll Park Weather Forecast

    • 63
    • 74

    Rain Showers

    • 65
    • 79

    Chance Rain Showers

    • 65
    • 82

    Chance Thunderstorms

    • 63
    • 84

    Chance Thunderstorms

    • 60
    • 81

    Partly Sunny

Today 14 May Eastern Loudoun

Patchy fog in the morning. Mostly cloudy with a chance of Showers. A slight chance of Thunderstorms in the afternoon. Highs in the mid 70s. East Winds around 5 Mph. Chance of rain 50 percent.

Tonight 14 May Eastern Loudoun

A chance of Thunderstorms. Showers, mainly in the evening. Lows in the lower 60s. Southeast Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 90 percent.

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  • Temperature Real-Time

Holly Knoll Park Temperature Statistics

May Temperature

Washington/Dulles International Airport, DC (6.8 miles)

  • Lowest 10 May, 2025

    40.6 °F

  • Average May

    67.1 °F

  • Highest 2 May, 2025

    85.6 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (6.8 miles)

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  • Average Low 2020–2025

    47.9 °F

  • Average 2020–2025

    58.3 °F

  • Average High 2020–2025

    68.5 °F
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