Chantilly Weather Forecast

    • 57
    • 69

    Rain Showers

    • 64
    • 82

    Partly Sunny

    • 58
    • 84

    Rain Showers Likely

    • 60
    • 77

    Chance Rain Showers

    • 64
    • 81

    Chance Rain Showers

    • 62
    • 82

    Chance Rain Showers

Today 30 Mar Eastern Loudoun

Mostly cloudy this Morning, then becoming partly sunny. Scattered Showers. Highs in the upper 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 50 percent.

Tonight 30 Mar Eastern Loudoun

Mostly cloudy in the Evening, then becoming partly cloudy. Scattered Showers. Lows in the mid 50s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chantilly Temperature Statistics

March Temperature

Washington/Dulles International Airport, DC (2.5 miles)

  • Lowest 18 March, 2026

    23.6 °F

  • Average March

    51.2 °F

  • Highest 11 March, 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

    58.1 °F

  • Average High 2021–2026

    68.5 °F
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