Chantilly Weather Forecast

    • 32
    • 50

    Decreasing Clouds

    • 28
    • 56

    Breezy

    • 37
    • 46

    Rain

    • 35
    • 54

    Rain

    • 26
    • 43

    Slight Chance Rain

    • 37
    • 43

    Mostly Cloudy

    • 29
    • 57

    Mostly Cloudy

Today 28 Jan Eastern Loudoun

Partly sunny. Highs in the upper 40s. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 28 Jan Eastern Loudoun

Partly cloudy. Lows in the lower 30s. Southwest Winds 10 to 15 Mph.

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Chantilly Temperature Statistics

January Temperature

Washington/Dulles International Airport, DC (2.5 miles)

  • Lowest 23 January, 2025

    4.7 °F

  • Average January

    29.2 °F

  • Highest 1 January, 2025

    49.6 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (2.5 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.3 °F
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