Chantilly Weather Forecast

    • 24
    • 32

    Mostly Cloudy

    • 25
    • 41

    Mostly Cloudy

    • 25
    • 38

    Mostly Cloudy

    • 23
    • 40

    Partly Sunny

    • 30
    • 41

    Mostly Cloudy

    • 40
    • 51

    Mostly Cloudy

Today 1 Jan Eastern Loudoun

Mostly sunny. Highs in the lower 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 1 Jan Eastern Loudoun

Mostly cloudy. Lows in the lower 20s. Northwest Winds around 5 Mph in the Evening, becoming light and variable.

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Chantilly Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (2.5 miles)

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Climate (2021–Present)

Washington/Dulles International Airport, DC (2.5 miles)

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  • Average Low 2021–2025

    47.6 °F

  • Average 2021–2025

    58.2 °F

  • Average High 2021–2025

    68.4 °F
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