Chantilly Weather Forecast

    • 17
    • 33

    Increasing Clouds

    • 13
    • 35

    Chance Snow

    • 9
    • 20

    Blustery

    • 14
    • 24

    Mostly Cloudy

    • 23
    • 36

    Mostly Cloudy

    • 28
    • 45

    Mostly Cloudy

Today 5 Feb Eastern Loudoun

Sunny. Highs in the lower 30s. North Winds around 5 Mph.

Tonight 5 Feb Eastern Loudoun

Mostly cloudy. Lows around 17. North Winds around 5 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chantilly Temperature Statistics

February Temperature

Washington/Dulles International Airport, DC (2.5 miles)

  • Lowest 1 February, 2026

    12 °F

  • Average February

    25.4 °F

  • Highest 3 February, 2026

    39.9 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (2.5 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68.4 °F
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