Holly Knoll Park Weather Forecast

    • 27
    • 48

    Increasing Clouds

    • 9
    • 43

    Mostly Cloudy

    • 14
    • 19

    Mostly Cloudy

    • 15
    • 22

    Snow Likely

    • 3
    • 24

    Partly Sunny

    • 9
    • 25

    Partly Sunny

Today 22 Jan Eastern Loudoun

Mostly sunny. Highs in the upper 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 22 Jan Eastern Loudoun

Partly cloudy in the Evening, then clearing. Lows in the upper 20s. Northwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

Holly Knoll Park Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (6.8 miles)

  • Lowest 20 January, 2026

    12.9 °F

  • Average January

    36.3 °F

  • Highest 7 January, 2026

    61 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (6.8 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.4 °F
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