Chantilly Weather Forecast

    • 33
    • 53

    Slight Chance Rain

    • 37
    • 53

    Partly Sunny

    • 39
    • 62

    Mostly Sunny

    • 28
    • 50

    Snow Likely

    • 24
    • 35

    Chance Wintry Mix

    • 32
    • 39

    Rain Likely

    • 35
    • 52

    Slight Chance Rain

Today 26 Feb Eastern Loudoun

Mostly cloudy with a 50 percent chance of rain. Highs in the lower 50s. Northeast Winds around 5 Mph.

Tonight 26 Feb Eastern Loudoun

Mostly cloudy in the Evening, then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chantilly Temperature Statistics

February Temperature

Washington/Dulles International Airport, DC (2.5 miles)

  • Lowest 9 February, 2026

    8.7 °F

  • Average February

    33.5 °F

  • Highest 20 February, 2026

    60.7 °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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