Chantilly Weather Forecast

    • 41
    • 72

    Becoming Sunny

    • 41
    • 63

    Mostly Sunny

    • 32
    • 53

    Mostly Sunny

    • 36
    • 56

    Mostly Sunny

    • 46
    • 65

    Partly Sunny

    • 53
    • 75

    Partly Sunny

    • 55
    • 79

    Partly Sunny

Today 5 Apr Eastern Loudoun

Partly sunny. Highs in the lower 70s. Temperature falling into the lower 60s late. Northwest Winds around 15 Mph with Gusts up to 25 Mph.

Tonight 5 Apr Eastern Loudoun

Partly cloudy in the Evening, then clearing. Cooler with Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 30 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 3 April, 2026

    46.9 °F

  • Average April

    66.1 °F

  • Highest 1 April, 2026

    86.6 °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

    58.2 °F

  • Average High 2021–2026

    68.5 °F
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