Holly Knoll Park Weather Forecast

    • 3
    • 22

    Decreasing Clouds

    • 7
    • 20

    Partly Sunny

    • 9
    • 19

    Chance Snow

    • 14
    • 23

    Partly Sunny

    • 18
    • 31

    Mostly Sunny

    • 19
    • 34

    Partly Sunny

    • 21
    • 32

    Mostly Cloudy

Today 29 Jan Eastern Loudoun

Partly sunny. Highs in the lower 20s. Northwest Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jan Eastern Loudoun

Partly cloudy in the Evening, then clearing. Cold with Lows around 3 above. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Holly Knoll Park Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (6.8 miles)

  • Lowest 27 January, 2026

    3.9 °F

  • Average January

    33.4 °F

  • Highest 7 January, 2026

    62.7 °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

    58.1 °F

  • Average High 2021–2026

    68.4 °F
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