Chantilly Weather Forecast

    • 67
    • 92

    Chance Rain Showers

    • 61
    • 84

    Chance Rain Showers

    • 53
    • 87

    Chance Rain Showers

    • 40
    • 66

    Chance Rain Showers

    • 36
    • 57

    Mostly Sunny

    • 52
    • 69

    Mostly Sunny

Today 16 Apr Eastern Loudoun

Mostly sunny. Hot with Highs around 90. Southwest Winds 5 to 10 Mph.

Tonight 16 Apr Eastern Loudoun

Partly cloudy in the Evening, then becoming mostly cloudy. A 40 percent chance of Showers. Lows in the mid 60s. West Winds 5 to 10 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 8 April, 2026

    32.6 °F
  • Average April

    60.1 °F
  • Highest 4 April, 2026

    87.7 °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

    58.2 °F
  • Average High 2021–2026

    68.5 °F
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