Chantilly Weather Forecast

    • 33
    • 54

    Mostly Sunny

    • 41
    • 62

    Mostly Sunny

    • 53
    • 75

    Partly Sunny

    • 47
    • 70

    Partly Sunny

    • 58
    • 74

    Partly Sunny

    • 66
    • 85

    Mostly Cloudy

    • 69
    • 91

    Mostly Cloudy

Today 8 Apr Eastern Loudoun

Sunny. Highs in the lower 50s. Southeast Winds around 5 Mph.

Tonight 8 Apr Eastern Loudoun

Mostly clear. Widespread frost after midnight. Lows in the lower 30s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chantilly Temperature Statistics

April Temperature

Washington/Dulles International Airport, DC (2.5 miles)

  • Lowest 6 April, 2026

    44.1 °F

  • Average April

    65 °F

  • Highest 4 April, 2026

    87.1 °F

Climate (2021–Present)

Washington/Dulles International Airport, DC (2.5 miles)

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  • Average Low 2021–2026

    47.6 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    68.5 °F
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