Chantilly Highlands Weather Forecast

    • 40
    • 60

    Mostly Cloudy

    • 44
    • 59

    Mostly Cloudy

    • 62
    • 68

    Rain Showers

    • 47
    • 74

    Rain Showers

    • 39
    • 57

    Mostly Sunny

    • 48
    • 68

    Partly Sunny

Today 13 Mar Eastern Loudoun

Mostly cloudy. Highs in the upper 50s. East Winds around 5 Mph.

Tonight 13 Mar Eastern Loudoun

Partly cloudy in the Evening, then becoming mostly cloudy. Lows around 40. East Winds 5 to 10 Mph.

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Chantilly Highlands Temperature Statistics

March Temperature

Washington/Dulles International Airport, DC (1.9 miles)

  • Lowest 3 March, 2025

    20.8 °F

  • Average March

    45.5 °F

  • Highest 11 March, 2025

    73 °F

Climate (2020–Present)

Washington/Dulles International Airport, DC (1.9 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    58.1 °F

  • Average High 2020–2025

    68.2 °F
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